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The Hidden Palace Prototype Collection

The Hidden Palace (https://hiddenpalace.org/) is a community dedicated to the preservation of video game development media (such as prototypes, hardware, source code, artwork, and more). The website is a catalog for the items that we and others are able to collect and share. 


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The Hidden Palace Prototype Collection
software

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Prerelease build of 007: The World Is Not Enough for the PlayStation, from 2000-08-26 (about 1 month before the release builds). https://hiddenpalace.org/ 007:_The_World_Is_Not_Enough_(Aug_26,_2000_prototype) Build date Aug 26, 2000 Dump status Released Dumped by Cut Into Fourteen Pieces Released by CVLT OF OSIRIS File release date February 3, 2019 Origin CD-R Dump method DiscImageCreator Game 007: The World Is Not Enough System PlayStation Genre First-person shooter, stealth Final build US...
Topics: 001, the, world, is, not, enough, playstation, play, station, one, I, ps1, ps, prototype
The Hidden Palace Prototype Collection
software

eye 179

favorite 3

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A prototype of 1943: The Battle of Midway for the NES. Hidden Palace URL: https://hiddenpalace.org/ 1943:_The_Battle_of_Midway_(Prototype) Dump status Released Dumped by Skrybe Released by Skrybe Origin EPROM cartridge Game 1943: The Battle of Midway System NES Genre Shooter Release date JP  Jun 20, 1988 US  Oct 1988
Topics: prototype, eprom, rom, shooter, hidden, palace, nintendo, entertainment, system, nes
The Hidden Palace Prototype Collection
software

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A test cartridge presumably used for camera diagnostics and repair. Hidden Palace URL: https://hiddenpalace.org/ 2420_ROM_Pack_V Dump status Released Dumped by taizou Released by taizou Origin Developer cartridge Labels 2420 ROM PACK V (7981-5001-79) No. 162 Game 2420 ROM Pack V System Game Boy Genre Test cartridge Visit Handheld Underground for the original release article
Topics: test, cartridge, cart, prototype, game, boy, gameboy, hidden, palace, eprom, rom, developer
The Hidden Palace Prototype Collection
software

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favorite 1

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A test cartridge presumably used for camera diagnostics and repair. Hidden Palace URL: https://hiddenpalace.org/ 2440_ROM_Pack Dump status Released Dumped by SNESNESCUBE64 Released by SNESNESCUBE64 Origin Developer cartridge Labels 2440 ROM PACK V (7981-5001-70) No. 202 Game 2440 ROM Pack System Game Boy Genre Test cartridge
Topics: test, cart, cartridge, gameboy, game, boy, developer, hidden, palace
The Hidden Palace Prototype Collection
software

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A prototype of 3 Jigen Kakutou Ballz (also known as Ballz 3D) for the Nintendo SNES. https://hiddenpalace.org/ 3_Jigen_Kakutou_Ballz_(Prototype) Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge EPROMs 2x Game Ballz 3D System SNES Genre Puzzle Release date JP  Nov 1994 US  Apr 28, 1995
Topics: 3, three, jigen, kakutou, balls, ballz, prototype, rom, eprom, super, nintendo, entertainment,...
The Hidden Palace Prototype Collection
software

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favorite 1

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A prototype of the unreleased 3D Gunner for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ 3D_Gunner_(Prototype) Dump status Released Dumped by Bock Released by Bock File release date December 14, 2019 Origin EPROM cartridge EPROMs 1x Labels 317 Game 3D Gunner System Sega Master System Genre Shooter Release date Unreleased One of the initial games advertised with the 3-D Glasses but was mentioned by name only in the February 1987 issue of "Computer Entertainer"....
Topics: unreleased, prototype, sega, master, system, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
software

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A prototype sample of A Week of Garfield for the Nintendo Famicom by by MARS corporation. Hidden Palace URL: https://hiddenpalace.org/ A_Week_of_Garfield_(prototype) Build name Ver .0.9 Dump status Released Released by Togemet2 File release date March 16, 2019 Origin EPROM cartridge Labels A WEEK OF GARFIELD Ver .0.9 Dump method Kazzo Cartridge Dumper Game A Week of Garfield System NES Genre Platformer Release date JP  Apr 7, 1989 Press Down+B on the title to become invincible The number of...
Topics: nintendo, entertainment, system, nes, prototype, eprom, rom, hidden, palace, platformer
A prototype build of ATP Tour Championship Tennis, dated May 9, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ ATP_Tour_Championship_Tennis_(May_9,_1994_prototype) Build date May 26, 1994 21:33:22 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/ATP/ ATP0509.ZIP/ATP.C04 + ATP.C05 + ATP.C06 + ATP.C07 + ATP.C08 + ATP.C09 + ATP.C10 + ATP.C11 Game ATP Tour Championship...
Topics: atp, tour, championship, tennis, eprom, rom, sega, mega, drive, genesis, prototype
A prototype build of ATP Tour Championship Tennis, dated September 19, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ ATP_Tour_Championship_Tennis_(Sep_19,_1994_prototype) Build date Sep 19, 1994 5:53:12 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/ATP/ ATP0919.ZIP/ATP1.C04 + ATP1.C05 + ATP1.C06 + ATP1.C07 + ATP1.C08 + ATP1.C09 + ATP1.C10 + ATP1.C11 Game ATP Tour...
Topics: atp, tour, championship, tennis, eprom, rom, prototype, sega, mega, drive, genesis
The Hidden Palace Prototype Collection
software

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A prototype of Aaahh!!! Real Monsters for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Aaahh!!!_Real_Monsters_(Jul_7,_1995_prototype) Build date Jul 7, 1995 Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 4x 16MEGA 4EP-ROM M5 Labels Real Monsters 7/7/95 Dump method Retrode Ownership DreamTR (?-2011), Nintendo Player (Present) Game Aaahh!!! Real Monsters System Sega Mega Drive Genre Adventure Release date US  1995 EU...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, aaahh, hidden, palace, adventure
The Hidden Palace Prototype Collection
software

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A prototype of Action Fighter for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Action_Fighter_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Action Fighter System Sega Master System Genre Action Release date JP  Aug 16, 1986 US  Nov 1986 EU  Aug 1987
Topics: sega, master, system, eprom, rom, hidden, palace, prototype
A prototype of Advanced Daisenryaku - Deutsch Dengeki for the Sega Mega Drive. A strategy game released only in Japan based on WWII. Hidden Palace URL: https://hiddenpalace.org/ Advanced_Daisenryaku_-_Deutsch_Dengeki_Sakusen_(Mar_7,_1991_prototype) Build date Mar 7, 1991 17:35:20 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File DAISRKJP.BIN Game Advanced Daisenryaku - Deutsch Dengeki Sakusen System Sega Mega Drive Genre Strategy Release date JP  Jul...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace, strategy
The Hidden Palace Prototype Collection
software

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A late prototype of Adventure Island III for the NES. Hidden Palace URL: https://hiddenpalace.org/ Adventure_Island_III_(Prototype) Dump status Released Dumped by DillyDylan Released by drx File release date May 5, 2019 Origin EPROM cartridge Labels AI3 CHR/PRG Game Adventure Island III System NES Genre Action Final build JP  Jul 31, 1992 EU  Unreleased US  Sep 1992 Release date Unreleased Late prototype. PAL prototype, even though the game was never released in Europe. In the final...
Topics: unreleased, prototype, eprom, rom, nintendo, entertainment, system, nes, action, hidden, palace
The Hidden Palace Prototype Collection
software

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An early prototype of Adventures in the Magic Kingdom for the NES. https://hiddenpalace.org/ Adventures_in_the_Magic_Kingdom_(Early_prototype) Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 2x Game Adventures in the Magic Kingdom System NES Genre Action Release date US  Jun 1990 EU  Dec 10, 1992 Read the article for this prototype on Nintendo Player!
Topics: adventures, adventures, in, the, magic, kingdom, early, prototype, eprom, rom, nintendo,...
The Hidden Palace Prototype Collection
software

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A prototype of Adventures in the Magic Kingdom for the NES. https://hiddenpalace.org/ Adventures_in_the_Magic_Kingdom_(Prototype) Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 2x NES PRG M.K.D NES CHR M.K.D Game Adventures in the Magic Kingdom System NES Genre Action Release date US  Jun 1990 EU  Dec 10, 1992 Read the article for this prototype on Nintendo Player!
Topics: adventures, in, the, magic, kingdom, prototype, eprom, rom, nes, nintendo, entertainment, system
The Hidden Palace Prototype Collection
software

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This is a prototype of the PAL version of Aero the Acrobat. It was released by  drx  on December 23, 2006. Hidden Palace URL: https://hiddenpalace.org/ Aero_the_Acro-Bat_(PAL_prototype) Dump status Released Dumped by drx Game Aero the Acrobat System Sega Mega Drive Genre Platform Release date US  8/1/1993 EU  1993 File Type Size SHA-1  Aero the Acro-Bat (Beta) (hidden-palace.org).bin Sega Mega Drive ROM Image 1 MB 105316ad1eb7e3386cbd3ffa2d9d841796193e65 Header:  00000100 53 45 47 41 20...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace, platform
The Hidden Palace Prototype Collection
software

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A late prototype of Aero the Acro-Bat 2 for the SNES. https://hiddenpalace.org/ Aero_the_Acro-Bat_2_(Aug_8,_1994_prototype) Build date Aug 8, 1994 Dump status Released Dumped by Baker64 Released by drx File release date June 22, 2019 Origin EPROM cart EPROMs 4x Labels 8-8-94 SUNSOFT (SNES) CATHY JUBY PROPERTY OF SUNSOFT OF AMERICA ROMS ARE ENCODED TO ITS USER PLEASE RETURN AFTER VIEWING **THIS SIDE TOWARDS BACK ** Aero The Acro-Bat 2 (back) THIS SIDE TOWARDS YOU PLEASE DO NOT TAMPER WITH...
Topics: aero, the, acro, bat, acrobat, acro-bat, two, II, 2, eprom, rom, super, nintendo, entertainment,...
The Hidden Palace Prototype Collection
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An early prototype of the unreleased Akira for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Akira_(Prototype) Dump status Released Dumped by drx Released by drx File release date December 25, 2019 Origin EPROMs Dump method Retrode 2, True-USB PRO GQ-4X Game Akira System Sega Mega Drive Genre Action Release date Unreleased This specific build was burnt on two PCBs, one working and one partially working. Upon dumping both PCBs, it was discovered that one of the later EPROMs...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace, action, unreleased
The Hidden Palace Prototype Collection
by Black Pearl Software
software

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As described by Hidden Palace: Dump status Released Dumped by drx Released by drx File release date December 25, 2019 Origin EPROMs Dump method Retrode 2, True-USB PRO GQ-4X Game Akira System Sega Mega Drive Genre Action Release date Unreleased Released by Hidden Palace, a protoype of an unreleased Akira game, worked on by Black Pearl Software. "Presenting, a prototype of the unreleased video game adaptation of Akira for the Sega Mega Drive! Courtesy of Matsuda and an anonymous...
The Hidden Palace Prototype Collection
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A work in progress build of Aladdin for the Sega Genesis. This cart was apparently shown at the Chicago CES trade show back in 1993. https://hiddenpalace.org/ Aladdin_(Chicago_C.E.S_demo) Build date Jun 27, 1993 Build name Chicago C.E.S Show Work In Progress Demonstration Dump status Released Dumped by Billscat-socks Released by Billscat-socks Origin EPROM cartridge EPROMs 8x EPROMs Dump method Retrode Ownership DreamTR (Unknown), Niels (??-2016), Billscat-socks (Present) Game Aladdin System...
Topics: aladdin, chicago, ces, c.e.s, c.e.s., eprom, rom, prototype, genesis, mega, drive, sega, demo
The Hidden Palace Prototype Collection
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A prototype build of Aladdin, dated December 29, 1993. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Aladdin_(Dec_28,_1993_prototype) Build date Dec 29, 1993 11:11:18 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels 32X/GG/Satfm Files RELEASED/GAMEGEAR/ALADDIN/ ALGG1228.ZIP/ALADDIN.BIN Game Aladdin System Game Gear Genre Action Platformer Release date JP  Mar 25, 1994 US  1994 EU  1994 File Type Size SHA-1...
Topics: aladdin, game, gear, sega, prototype, eprom, rom
The Hidden Palace Prototype Collection
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A prototype build of Aladdin, dated January 23, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Aladdin_(Jan_24,_1994_prototype) Build date Jan 24, 1994 19:34:02 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels 32X/GG/Satfm Files RELEASED/GAMEGEAR/ALADDIN/ ALAD0124.ZIP/GG_OUT.R00 RELEASED/GAMEGEAR/ALADDIN/ ALAD0127.ZIP/ALDINGG.C04 + ALDINGG.C05 + ALDINGG.C06 + ALDINGG.C07 Game Aladdin System Game Gear...
Topics: aladdin, game, gear, sega, prototype, eprom, rom, gamegear
The Hidden Palace Prototype Collection
software

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A revision prototype for Aladdin for the Sega Mega Drive. https://hiddenpalace.org/ Aladdin_(Jul_31,_1993_prototype) Build date Jul 31, 1993 17:46:24 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #4 Genesis Roms File ALADNJPN.BIN Game Aladdin System Sega Mega Drive Genre Platformer Release date JP  Nov 12, 1993 US  Oct 1993 EU  Nov 11, 1993 A small revision prototype for Japan that was compiled 20 minutes after the US final. There are no language changes however. But...
Topics: aladdin, eprom, rom, prototype, sega, genesis, mega, drive
The Hidden Palace Prototype Collection
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A late prototype of Alex Kidd: High-Tech World for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Alex_Kidd:_High-Tech_World_(Prototype) Dump status Released Dumped by Bock Released by Bock File release date March 28, 2019 Origin EPROM cartridge Labels AKHT W (alex) Game Alex Kidd: High-Tech World System Sega Master System Genre Action Release date US  Jun 1989 EU  1989 See Also: Original release post on SMSPower.org
Topics: sega, master, system, prototype, eprom, rom, action, hidden, palace
The Hidden Palace Prototype Collection
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A prototype of Alien Syndrome for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Alien_Syndrome_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Alien Syndrome System Sega Master System Genre Action Release date JP  Oct 18, 1987 US  Mar 1988 EU  Mar 1988
Topics: sega, master, system, hidden, palace, prototype, rom, eprom, action
The Hidden Palace Prototype Collection
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A late prototype of Andre Agassi Tennis for the Sega Game Gear. Hidden Palace hidden URL: https://hiddenpalace.org/Andre_Agassi_Tennis_Prototype Dump status Released Dumped by Bock Released by Bock File release date March 28, 2019 Origin EPROM cartridge Game Andre Agassi Tennis System Game Gear Genre Sports - Tennis Release date EU  1993
Topics: game, gear, sports, hidden, palace, prototype, eprom
The Hidden Palace Prototype Collection
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A prototype of Arabian Knights: Sabaku no Seirei Ou for the Nintendo SNES. https://hiddenpalace.org/ Arabian_Knights:_Sabaku_no_Seirei_Ou_(Prototype) Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge Game Arabian Knights: Sabaku no Seirei Ou System SNES Genre Role Playing Release date JP  Jun 14, 1996
Topics: arabian, knights, sbaku, no, seirei, ou, prototype, super, nintendo, entertainment, system, snes,...
An early prototype of Arcade's Greatest Hits: The Atari Collection 1 for the SNES. https://hiddenpalace.org/ Arcade%27s_Greatest_Hits:_The_Atari_Collection_1_(Apr_11,_1997_prototype) Build date Apr 11, 1997 Dump status Released Dumped by Baker64 Released by drx File release date June 22, 2019 Origin EPROM cart EPROMs 1x Labels AASH 4/11 Dump method Retrode 2 Game Arcade's Greatest Hits - The Atari Collection 1 System SNES Genre Arcade Release date US  Aug 30, 1997 The copyright year on the...
Topics: arcades, arcade's, arcade, greatest, hits, the, atari, collection, one, I, 1, eprom, rom, super,...
An early prototype of the Missle Command port from the Arcade's Greatest Hits: The Atari Collection 1 for the SNES. https://hiddenpalace.org/ Arcade%27s_Greatest_Hits:_The_Atari_Collection_1_(Feb_10,_1997_prototype) Build date Feb 10, 1997 Dump status Released Dumped by Baker64 Released by drx File release date June 22, 2019 Origin EPROM cart EPROMs 1x Labels U1 2/10 MC Dump method Retrode 2 Game Arcade's Greatest Hits - The Atari Collection 1 System SNES Genre Arcade Release date US  Aug 30,...
Topics: arcades, arcade's, greatest, hits, the, atari, collection, one, I, 1, eprom, rom, super, nintendo,...
The Hidden Palace Prototype Collection
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A prototype of Arcana for the SNES by HAL. https://hiddenpalace.org/ Arcana_(prototype) Dump status Released Dumped by Togemet2 Released by Togemet2 File release date December 03, 2019 Origin EPROM cartridge EPROMs Toshiba 574000 EPROMS Labels Arcana Dump method Xeltec SuperPRO 280U Game Arcana System SNES Genre Dungeon crawl Release date JP  Mar 27, 1992 US  1992 Differs from the retail build.
Topics: arcana, prototype, eprom, rom, super, nintendo, entertainment, system, snes
An early prototype of Aretha II: Ariel no Fushigi na Tabi for the Nintendo SNES. https://hiddenpalace.org/ Aretha_II:_Ariel_no_Fushigi_na_Tabi_(Early_prototype) Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge Game Aretha II: Ariel no Fushigi na Tabi System SNES Genre Role Playing Release date JP  1994
Topics: aretha, two, II, 2, ariel, no, fushigi, na, tabi, early, prototype, eprom, rom, super, nintendo,...
The Hidden Palace Prototype Collection
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A prototype of Aretha II: Ariel no Fushigi na Tabi for the Nintendo SNES. https://hiddenpalace.org/ Aretha_II:_Ariel_no_Fushigi_na_Tabi_(Prototype) Dump status Released Origin EPROM cartridge Game Aretha II: Ariel no Fushigi na Tabi System SNES Genre Role Playing Release date JP  1994
Topics: aretha, two, II, 2, ariel, no, fushigi, na, tabi, eprom, rom, prototype, super, nintendo,...
The Hidden Palace Prototype Collection
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Same as final, but with "Sega_Channel" XORed at the end. Hidden Palace URL: https://hiddenpalace.org/ Ariel_the_Little_Mermaid_(Oct_10,_1992_build) Build date Oct 10, 1992 10:27:54 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #4 Genesis Roms File MERARIEL.BIN Game Ariel the Little Mermaid System Sega Mega Drive Genre Adventure Release date JP  Unreleased US  Dec 1992 EU  1992 Header:  00000100 53 45 47 41 20 47 45 4e 45 53 49 53 20 20 20 20 SEGA GENESIS...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace, unreleased, adventure
The Hidden Palace Prototype Collection
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A possible unreleased second revision for Arnold Palmer Tournament Golf. Hidden Palace URL: https://hiddenpalace.org/ Arnold_Palmer_Tournament_Golf_(Mar_22,_1990_prototype) Build date Mar 22, 1990 10:33:32 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File PALMRGLF.BIN Game Arnold Palmer Tournament Golf System Sega Mega Drive Genre Sports Release date JP  Sep 9, 1989 US  1989 EU  Jan 1991 Header:  00000100 53 45 47 41 20 4d 45 47 41 20 44 52 49 56 45...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace, sports
The Hidden Palace Prototype Collection
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An altered final of Art Alive for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Art_Alive_(Sep_20,_1991_build) Build date Sep 20, 1991 10:19:06 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #3 Genesis Roms File ARTALIVE.BIN Game Art Alive System Sega Mega Drive Genre Studio Release date JP  Mar 27, 1992 US  1991 EU  Mar 1992 Same as final, but extended from 128kB to 256kB Header:  00000100 53 45 47 41 20 4d 45 47 41 20 44 52 49 56 45 20 SEGA MEGA...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace, studio
A prototype build of Art of Fighting, dated August 1, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Art_of_Fighting_(Aug_1,_1994_prototype) Build date Aug 1, 1994 13:42:44 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/ARTFIGHT/ AOF0801.ZIP/AOF.C04 + AOF.C05 + AOF.C06 + AOF.C07 + AOF.C08 + AOF.C09 + AOF.C10 + AOF.C11 Game Art of Fighting System Sega Mega Drive Genre...
Topics: art, of, fighting, eprom, rom, sega, mega, drive, genesis, prototype
A prototype build of Art of Fighting, dated July 11, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Art_of_Fighting_(Jul_11,_1994_prototype) Build date Jul 12, 1994 1:13:38 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/ARTFIGHT/ AOF0711.ZIP/AOF.C04 + AOF.C05 + AOF.C06 + AOF.C07 + AOF.C08 + AOF.C09 + AOF.C10 + AOF.C11 Game Art of Fighting System Sega Mega Drive Genre...
Topics: at, of, fighting, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
software

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A prototype build of Asterix, dated January 25, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Asterix_(Jan_25,_1994_prototype) Build date Jan 25, 1994 16:53:24 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels 32X/GG/Satfm Files RELEASED/GAMEGEAR/ASTERIX/ ASG02501.ZIP/ASGG.ROM Game Asterix System Game Gear Genre Action Platformer Release date US  1995 EU  Sep 1, 1995 File Type Size SHA-1  Asterix...
Topics: asterix, prototype, eprom, rom, sega, game, gear, gamegear
The Hidden Palace Prototype Collection
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A prototype build of Asterix, dated March 16, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Asterix_(Mar_16,_1994_prototype) Build date Mar 16, 1994 16:58:18 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels 32X/GG/Satfm Files RELEASED/GAMEGEAR/ASTERIX/ ASGG0316.ZIP/ASTGGA.ROM Game Asterix System Game Gear Genre Action Platformer Release date US  1995 EU  Sep 1, 1995 File Type Size SHA-1  Asterix...
Topics: asterix, eprom, rom, prototype, sega, game, gear, gamegear
The Hidden Palace Prototype Collection
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A prototype of Atlantis no Nazo for the NES. Hidden Palace URL: https://hiddenpalace.org/ Atlantis_no_Nazo_(Prototype) Dump status Released Dumped by Skrybe Released by Skrybe Origin EPROM cartridge Game Atlantis no Nazo System NES Genre Action Release date JP  Apr 17, 1986
Topics: nes, nintendo, entertainment, system, action, prototype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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A prototype of the unreleased Atmosfear (also known as NightMare) for the SNES. https://hiddenpalace.org/ Atmosfear_(Jul_12,_1994_prototype) Build date Jul 12, 1994 Dump status Released Dumped by drx Released by drx ,  ehw File release date April 7, 2019 Origin Loose EPROMs Lot German lot Labels nightmare # 12-7-94 Dump method EPROM Programmer Ownership Anonymous (?-2009), drx (2008-present) Game Atmosfear System SNES Genre Action Release date Unreleased Developed by Beam Software, the same...
Topics: atmosfear, eprom, rom, super, nintendo, entertainment, system, snes, prototype
The Hidden Palace Prototype Collection
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A late prototype of Australian Rugby League for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Australian_Rugby_League_(Prototype) Dump status Released Dumped by Baker64 Released by drx File release date December 26, 2019 Origin EPROM cartridge Game Australian Rugby League System Sega Mega Drive Genre Sports - Rugby Release date EU  Dec 1995 Contains only a few code changes. File Type Date Size SHA-1  Australian Rugby League (Prototype).md File 2019-12-22 16:37:31 2 MB...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace, sports, rugby
A prototype of Awesome Possum Kicks Dr. Machino's Butt! For the Sega Mega Drive. https://hiddenpalace.org/ Awesome_Possum_Kicks_Dr._Machino%27s_Butt!_(Prototype) Dump status Released Dumped by CENSOR Released by CENSOR File release date October 5, 1993 Origin EPROM cartridge Lot Old Scene (BBS) Files CEN-AWPO.LZH Game Awesome Possum Kicks Dr. Machino's Butt! System Sega Mega Drive Genre Action Release date JP  Dec 25, 1993 US  Nov 25, 1993 �[0m�[2J�[40m �[1;37m__ __...
Topics: awesome, possum, kicks, dr, machino, machinos, machino's, butt, prototype, eprom, rom, sega,...
The Hidden Palace Prototype Collection
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A localization prototype of Ax Battler: A Legend of Golden Axe for the Sega Game Gear.  Hidden Palace URL: https://hiddenpalace.org/Ax_Battler:_A_Legend_of_Golden_Axe_(Oct_8,_1991_prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Ax Battler: A Legend of Golden Axe System Game Gear Genre Role Playing Final build JP  Aug 23, 1991 EU  Dec 10, 1991 US  Dec 10, 1991 Release date JP  Nov 1, 1991 US  Mar 1992 EU  1992 Build date found within the ROM.
Topics: eprom, game, gear, gamegear, prototype, role, play, playing, rom
The Hidden Palace Prototype Collection
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A prototype of Ayrton Senna's Super Monaco GP II for the Sega Game Gear. Hidden Palace URL: https://hiddenpalace.org/ Ayrton_Senna%27s_Super_Monaco_GP_II_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Ayrton Senna's Super Monaco GP II System Game Gear Genre Racing Release date JP  Aug 28, 1992 US  Aug 1992 EU  Aug 1992
Topics: gamegear, game gear, eprom, prototype, hidden, palace, rom
The Hidden Palace Prototype Collection
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A prototype build of Baby Boom, dated August 11, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Baby_Boom_(Aug_11,_1994_prototype) Build date Aug 11, 1994 21:54:54 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/BABYBOOM/ BOOM0811.ZIP/BOOM.C04 + BOOM.C05 + BOOM.C06 + BOOM.C07 Game Baby Boom System Sega Mega Drive Genre Misc Release date Unreleased  The Cutting Room...
Topics: baby, boom, eprom, rom, sega, mega, drive, genesis, unreleased, prototype
The Hidden Palace Prototype Collection
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A prototype build of Baby Boom, dated June 3, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Baby_Boom_(Jun_3,_1994_prototype) Build date Jun 3, 1994 19:14:18 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels Genesis Roms Files RELEASED/GENESIS/BABYBOOM/ BOOM0603.ZIP/BOOM.C04 + BOOM.C05 + BOOM.C06 + BOOM.C07 + BOOM.C08 + BOOM.C09 + BOOM.C10 + BOOM.C11 Game Baby Boom System Sega Mega Drive Genre Misc...
Topics: baby, boom, eprom, rom, unreleased, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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A prototype of the unreleased Baby's Day Out for the Sega Mega Drive. https://hiddenpalace.org/ Baby%27s_Day_Out_(NAPALM_prototype) Dump status Released Dumped by NAPALM Released by NAPALM File release date March 10, 1995 Origin EPROM cartridge Lot Old Scene (BBS) Files NPM-BDO.LZH Game Baby's Day Out System Sega Mega Drive Genre Action Release date Unreleased _______ /\ _______ /\ _____ ___ ___. .-\___ \/ \-\___ \ \/ /__| \/ | | / / \ ____/ \ / | \/ | |__/ /______\ |/______\______|___|| |
Topics: baby, babys, baby's, day, out, sega, genesis, mega, drive, eprom, rom, napalm, prototype
The Hidden Palace Prototype Collection
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A prototype of the unreleased Baby's Day Out for the Sega Mega Drive. https://hiddenpalace.org/ Baby%27s_Day_Out_(SNEAKERS_prototype) Dump status Released, redump needed Dumped by SNEAKERS Released by SNEAKERS File release date February 25, 1995 Origin EPROM cartridge Lot Old Scene (BBS) Files SNK-BABY.LZH Game Baby's Day Out System Sega Mega Drive Genre Action Release date Unreleased !eNf_______________________ ________/\_____ __\ _______/_ _ \__\ / / /_______ / / / ___/ /. / // / // / \_...
Topics: babys, baby's, day, out, sneakers, prototype, eprom, rom, sega, mega, drive, genesis
A prototype of Ballz 3D: Fighting at its Ballziest for the Sega Mega Drive. https://hiddenpalace.org/ Ballz_3D:_Fighting_at_its_Ballziest_(June_prototype) Build date June 1994 Dump status Released Dumped by HyperGHZ Released by HyperGHZ Origin EPROM cartridge Dump method Retrode Game Ballz 3D: Fighting at its Ballziest System Sega Mega Drive Genre Fighting Release date US  Oct 1994 EU  Sep 1994 Possibly built a month before the final retail version.
Topics: balls, ballz, 3d, 3-d, 3, d, fighting, at, its, it's, ballziest, prototype, eprom, rom, sega,...
A possible unreleased second revision of Ballz 3D: Fighting at its Ballziest for the Sega Mega Drive. https://hiddenpalace.org/ Ballz_3D:_Fighting_at_its_Ballziest_(September_build) Build date September 1994 Dump status Released Dumped by ExplodedHamster Released by ExplodedHamster Origin EPROM cartridge Dump method Retrode Game Ballz 3D: Fighting at its Ballziest System Sega Mega Drive Genre Fighting Release date US  Oct 1994 EU  Sep 1994 Original release thread.
Topics: balls, ballz, 3d, 3-d, d, 3, fighting, at, its, it's, ballziest, build, eprom, rom, sega, mega,...
The Hidden Palace Prototype Collection
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A prototype of Banana for the NES. Hidden Palace URL: https://hiddenpalace.org/ Banana_(Jun_30,_1986_prototype) Dump status Released Dumped by CoinCollector Released by CoinCollector Origin EPROM cartridge EPROMs 2x blank no sticker Labels バナナ (6/30) ビクター音楽産業(株)- Banana (6/30) Victor Musical Industries (Inc.) Game Banana System NES Genre Puzzle Release date JP  Sep 8, 1986 No attract mode at the title screen, the characters loop the animation sequence. No game-over...
Topics: puzzle, nes, nintedo, entertainment, system, hidden, palace, prototype, eprom, rom
The Hidden Palace Prototype Collection
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A prototype of Barbie Super Model for the Sega Game Gear. Hidden Palace URL: https://hiddenpalace.org/Barbie_Super_Model_(Prototype) Dump status Released Dumped by Bock Released by Bock Origin EPROM cartridge Game Barbie Super Model System Game Gear Genre Action Release date US  1993
Topics: action, barbie, eprom, rom, gamegear, game, gear, prototype
The Hidden Palace Prototype Collection
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A prototype of Barbie Super Model for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Barbie_Super_Model_(Jun_30,_1993_prototype) Build date Jun 30, 1993 Build name BAGE0630 Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 4x EPROMs 8MEGA 4EP-ROM M5 171-5694-01 Labels BARBIE: SUPER Model BAGE 0630.ZIP Dump method Retrode Ownership Christine VanHammond (1993-2014), Nintendo Player (2014-Present) Game Barbie Super Model...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidde, palace, adventure
The Hidden Palace Prototype Collection
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A prototype of the unreleased Barbie Vacation Adventure for the Sega Mega Drive. https://hiddenpalace.org/ Barbie:_Vacation_Adventure_(Prototype) Build name MileStone 1 Dump status Released Dumped by NAPALM Released by NAPALM File release date November 16, 1994 Origin EPROM cartridge Lot Old Scene (BBS) Files NPM-BVA.LZH Game Barbie: Vacation Adventure System Sega Mega Drive Genre Adventure Release date Unreleased -------------------------------------------- ____ /\ And the rest shall burn......
Topics: barbie, vacation, adventure, unreleased, sega, mega, drive, genesis, eprom, rom, prototype
The Hidden Palace Prototype Collection
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A pretty early prototype of Barkley Shut Up and Jam! 2. It has a different title screen, menus and music. It was released by  drx  on December 23, 2006. Hidden Palace URL: https://hiddenpalace.org/ Barkley_Shut_Up_and_Jam!_2_prototype Dump status Released Dumped by drx Game Barkley Shut Up and Jam! 2 System Sega Mega Drive Genre Sports - Basketball Release date US  6/1/1995  The Cutting Room Floor research This prototype has a research article on TCRF. File Type Size SHA-1  Barkley Shut...
Topics: sega, mega, drive, genesis, prototype, sports, basketball, rom, eprom, hidden, palace, II, two, jam
The Hidden Palace Prototype Collection
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Same as US final, but with a different checksum and without the padding to make the ROM 1MB. Hidden Palace URL: https://hiddenpalace.org/ Barney%27s_Hide_%26_Seek_Game_(Sep_18,_1993_build) Build date Sep 18, 1993 19:01:44 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #4 Genesis Roms File BARNEY.BIN Game Barney's Hide & Seek Game System Sega Mega Drive Genre Adventure Release date JP  Unreleased US  Jun 1, 1993 EU  June 1994 Header:  00000100 53 45 47 41 20 4d 45...
Topics: barneys, and, sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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A later version of Batman that barely seems to pre-date the final version. The main difference is some cheat codes seem to be active still. https://hiddenpalace.org/ Batman_(Later_Prototype) Build name Later Prototype Dump status Released Released by Unknown Origin ROM dump Game Batman System NES Genre Action Final build JP  Dec 22, 1989 EU  Sep 14, 1990 US  Feb 13, 1990 Debug Controls: Press the following button(s) on controller 2 to activate these features: A - Skips to the next stage B -...
Topics: batman, later, prototype, eprom, rom, nes, nintendo, entertainment, system
The Hidden Palace Prototype Collection
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A early version of Batman. It has the unused 1-up and prototype cutscenes. Joker is no longer the final boss in this version either. Some debug features are enabled in this build. https://hiddenpalace.org/ Batman_(Older_Beta) Build name Older Beta Dump status Released Dumped by Skrybe Released by Skrybe Origin ROM dump Game Batman System NES Genre Action Final build JP  Dec 22, 1989 EU  Sep 14, 1990 US  Feb 13, 1990  The Cutting Room Floor research This prototype has a research article on...
Topics: batman, older, beta, nes, nintendo, entertainment, system, eprom, rom
The Hidden Palace Prototype Collection
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A prototype of Batman Returns for the NES. Hidden Palace URL: https://hiddenpalace.org/ Batman_Returns_(PAL_prototype) Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 2x RP 053 C RP 053 P Labels SAMPLE BATMAN RETURNS (RP052) Germany N-077 Game Batman Returns System NES Genre Action Release date US  Jan 1993 EU  1993   Read the Nintendo Player article here!
Topics: nintendo, entertainment, system, hidden, palace, eprom, rom, prototype
The Hidden Palace Prototype Collection
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A prototype of Batman Returns for the Nintendo SNES. https://hiddenpalace.org/ Batman_Returns_(Prototype) Dump status Released Dumped by Matthew Callis Released by Matthew Callis Origin EPROM cartridge Labels BATMAN RETURNS Game Batman Returns System SNES Genre Action Release date JP  Feb 26, 1993 US  Apr 1993 EU  May 1993 Byte for byte identical to the dump provided by  d4s .
Topics: batman, returns, prototype, eprom, rom, super, nintendo, entertainment, system, snes
The Hidden Palace Prototype Collection
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A prototype of Batman: Return of the Joker for the NES. Hidden Palace URL: https://hiddenpalace.org/ Batman:_Return_of_the_Joker_(Prototype) Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 3x, BATMAN ROJ FINAL VER 0.0 Ownership DreamTR (?), Nintendo Player (Present) Game Batman: Return of the Joker System NES Genre Action Release date JP  Dec 20, 1991 US  Dec 1991 EU  Nov 19, 1992 Read the article on Nintendo Power here!
Topics: eprom, rom, prototype, hidden, palace, nes, nintendo, entertainment, system, action
The Hidden Palace Prototype Collection
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A prototype of Battle Mania (also known as Trouble Shooter in America). Hidden Palace URL: https://hiddenpalace.org/ Battle_Mania_(May_28,_1991_prototype) Build date May 28, 1991 15:22:58 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File BTTLMNJP.BIN Game Battle Mania System Sega Mega Drive Genre Shooter Release date JP  Mar 6, 1992 US  Nov 1991 EU  Unreleased  The Cutting Room Floor research This prototype has a research article on TCRF. The title...
Topics: sega, mega, drive, genesis, protoype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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A revision prototype of Battle Squadron for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Battle_Squadron_(Jan_18,_1991_prototype) Build date Jan 18, 1991 14:24:36 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #1 Genesis Roms File BATLSQDR.BIN Game Battle Squadron System Sega Mega Drive Genre Shooter Release date JP  Unreleased US  1990 EU  Dec 1990 A new build with slight differences that was never released. Some small code changes. The header...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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A prototype of Battletoads in Battlemaniacs for the Nintendo SNES. https://hiddenpalace.org/ Battletoads_in_Battlemaniacs_(prototype) Dump status Released Origin EPROM cartridge Game Battletoads in Battlemaniacs System SNES Genre Beat 'em up, platformer Release date US  Jun, 1993 EU  Oct, 1993 JP  Jan 7, 1994
Topics: battle, toads, battletoads, in, battle, maniacs, battlemaniacs, prototype, eprom, rom, super,...
The Hidden Palace Prototype Collection
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Localization prototype of Beast Wrestler for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Beast_Wrestler_(Sep_13,_1991_prototype) Build date Sep 13, 1991 15:13:32 Dump status Released Origin CD-R disc Lot Sega ROM Archive Label Disk #3 Genesis Roms File BEASTWRE.BIN Game Beast Wrestler System Sega Mega Drive Genre Fighting Release date JP  Nov 29, 1991 US  Mar 1992 EU  Unreleased The header still says Beast Warriors even though it's Beast Wrestlers. Header:  00000100...
Topics: sega, mega, drive, genesis, prototype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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An unreleased port of Brutal Sports Football and Crazy Football titled "Beastball" for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Beastball_(Prototype) Dump status Released Dumped by MrMark0673 Released by MrMark0673 Origin EPROM cartridge EPROMs 4x 4, 5, 6, 7 Dump method Retrode Ownership DreamTR (?-2011), MrMark0673 (Present) Game Beastball System Sega Mega Drive Genre Action Release date Unreleased
Topics: sega, genesis, mega, drive, unreleased, prototype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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A prototype of Beavis and Butt-Head for the Sega Game Gear. Hidden Palace URL: https://hiddenpalace.org/Beavis_and_Butt-head_(Prototype) Dump status Released Origin EPROM cartridge Game Beavis and Butt-head System Game Gear Genre Action Release date US  1994 EU  1994
Topics: hidden, palace, rom, prototype, eprom, gamegear, game, gear, action, butt, head
The Hidden Palace Prototype Collection
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A prototype of Beethoven's 2nd for the Nintendo SNES. https://hiddenpalace.org/ Beethoven%27s_2nd_(Sep_13,_1993_prototype) Build date Sep 13, 1993 Build name B2SN0819 Dump status Released Dumped by Nintendo Player Released by Nintendo Player Origin EPROM cartridge EPROMs 1x, B2SN0819.BIN SNES BEETHOVEN 2nd 9/13/93 Files B2SN0819.BIN Game Beethoven's 2nd System SNES Genre Action Release date US  Dec 1993 EU  Dec 1993 See Also: Read the Nintendo Player article here!
Topics: beethoven, beethoven's, beethovens, second, 2nd, snes, super, nintendo, entertainment, system,...
The Hidden Palace Prototype Collection
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A prototype build of Beyond Oasis, dated November 15, 1994. It was released by  drx  on February 23, 2008. https://hiddenpalace.org/ Beyond_Oasis_(Nov_15,_1994_prototype) Build date Nov 17, 1994 10:00:00 Dump status Released Dumped by drx Released by Hidden Palace Origin CD-R disc Lot Sega ROM Archive Labels 32X/GG/Satfm Files RELEASED/GENESIS/OASIS/ THR1115.ZIP/OASIS.EV0 + OASIS.EV1 + OASIS.EV2 + OASIS.OD0 + OASIS.OD1 + OASIS.OD2 RELEASED/PICO/BEARS/ BO_1115U.ZIP/OASIS.EV0 + OASIS.EV1 +...
Topics: beyond, oasis, eprom, rom, sega, mega, drive, genesis, prototype
An early prototype of Beyond Oasis (also known as The Story of Thor) for the Sega Mega Drive. https://hiddenpalace.org/ Beyond_Oasis_(Apr_1994_prototype) Build date Jul 1994 Dump status Released Dumped by PROGRESS Released by PROGRESS File release date April 30, 1994 Origin EPROM cartridge Lot Old Scene (BBS) Files SCX.THOR.LZH Game Beyond Oasis System Sega Mega Drive Genre Role-Playing Release date JP  Dec 9, 1994 US  Mar 15, 1995 EU  Mar 1, 1995  The Cutting Room Floor research This...
Topics: beyond, oasis, the, story, of, thor, eprom, rom, sega, mega, drive, genesis, prototype
The Hidden Palace Prototype Collection
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An early version of "Big Bang Pro Wrestling" for the Neo Geo Pocket Color. Hidden Palace URL: https://hiddenpalace.org/Big_Bang_Pro_Wrestling_(Prototype) Dump status Released Game Big Bang Pro Wrestling System Neo Geo Pocket Color Genre Wrestling Hardcore Gaming 101 article.
Topics: neo, geo, pocket, color, colour, madness, prototype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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A prototype of Big Sky Trooper for the SNES. https://hiddenpalace.org/ Big_Sky_Trooper_(May_23,_1995_prototype) Build date May 23, 1995 Dump status Released Dumped by Video Game History Foundation Released by Snescentral File release date June 3, 2019 Origin EPROM cartridge EPROMs 2x Labels 5-23 BST # Ownership Nostalgia Alley (? - 2019) Game Big Sky Trooper System SNES Genre Action Release date US  Oct 1995 EU  Sep 1995 Debugger is enabled. Acknowledgements: Thanks to Nostalgia Alley for...
Topics: big, sky, trooper, eprom, rom, super, nintendo, entertainment, system, snes, prototype
The Hidden Palace Prototype Collection
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An unreleased port of Bill's Tomato Game for the Sega Mega Drive. Hidden Palace URL: https://hiddenpalace.org/ Bill%27s_Tomato_Game_(Prototype) Dump status Released Dumped by MrMark0673 Released by MrMark0673 Origin EPROM cartridge Game Bill's Tomato Game System Sega Mega Drive Genre Puzzle Release date Unreleased
Topics: bills, unreleased, sega, genesis, mega, drive, prototype, eprom, rom, hidden, palace
The Hidden Palace Prototype Collection
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An early prototype of Blade Eagle for the Sega Master System. Hidden Palace URL: https://hiddenpalace.org/ Blade_Eagle_(Prototype) Dump status Released Dumped by James Costello Released by James Costello Origin EPROM cartridge EPROMs 2x Labels Blade Eagle 3-D Sega , B.E 0 B.E Ownership SoA Programmer (1990-2009), zach1845 (2009-2009), James Costello (2009-Present) Game Blade Eagle 3-D System Sega Master System Genre Shooter Release date JP  Mar 26, 1988 US  Sep 1988 EU  1988 This build...
Topics: sega, master, system, prototype, hidden, palace, eprom, rom, shooter