- Feb 1, 2026: The Dead Are Rising
- Jan 24, 2026: Beavis and Butt-Head do Hollywood
- Jan 1, 2026: Year of Spore
- Dec 25, 2025: One Bad Ass Hedgehog - Shadow the Hedgehog
- Nov 26, 2025: A Mojave Thanksgiving - Fallout: New Vegas Prototype
- Oct 31, 2025: Happy Halloween 2025! Dark Empires Prototype & Craig Stitt Interview
- Jun 29, 2025: Animaniacs - Hollywood Hypnotics
- Feb 1, 2025: Frogger 2 Full Development Archive
- Jan 1, 2025: Happy NES Year
- Dec 26, 2024: NESMas - Day 2
- Dec 25, 2024: NESMas - Day 1
- Jul 6, 2024: Vanished without a Trace - Out of the Vortex for the Sega Mega Drive
- Apr 9, 2024: Crash Tag Team Racing (Xbox Prototype)
- Jan 21, 2024: Crash Bash and Spyro 3
- Jan 1, 2024: New Years 2024 - Sonic Heroes
- Dec 25, 2023: A Very Bandicoot Christmas - Crash Bandicoot: Warped Prototype
- Nov 24, 2023: 6GUN: BattleBourne's Unreleased PlayStation 2 Game
- Oct 31, 2023: Daredevil: The Man Without Fear - Unreleased PlayStation 2 Game
- Feb 28, 2023: Phantasy Star Online Prototype
- Feb 15, 2023: PSP Release Candidates
- Dec 25, 2022: Project Deluge: Xbox 360 and Wii
- Dec 9, 2022: Semradical!
- Nov 24, 2022: Sega Technical Institute’s Cancelled Segapede
- (earlier news)
Main Page
The Hidden Palace is a community dedicated to the preservation of video game development media (such as prototypes, hardware, source code, artwork, and more). This website can be utilized as a catalog for the items that we and others are able to collect and share.
If you are interested in contributing, please see our How to Contribute page.
- Mar 01, 2026: Highlander (January 18, 2008) by Kabojnk
- Mar 01, 2026: Highlander (April 8, 2008 13.51 Prototype) by Kabojnk
- Mar 01, 2026: Taikodom (February 18, 2010 Tech Demo) by Kabojnk
- Mar 01, 2026: Highlander (February 28, 2008 08.57 Prototype) by Kabojnk
- Mar 01, 2026: Highlander (February 28, 2008 11.17 Prototype) by Kabojnk
- Mar 01, 2026: Highlander (February 28, 2008 11.41 Prototype) by Kabojnk
- Mar 01, 2026: Highlander (April 8, 2008 12.40 Prototype) by Kabojnk
- Feb 28, 2026: Minecraft Legacy Console Edition (October 10, 2014 Prototype) by
- Feb 28, 2026: Minecraft Legacy Console Edition (Oct 10, 2014 Prototype) by
- Feb 27, 2026: Zeno Clash (Feb 6, 2010 prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Mar 4, 2010 A prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Jan 11, 2010 A prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Jan 21, 2010 prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Mar 5, 2010 prototype) by Games' Past
- Feb 27, 2026: Predator: Concrete Jungle (Aug 6, 2004 prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Dec 21, 2009 prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Jan 20, 2010 C prototype) by Games' Past
- Feb 27, 2026: Droplitz (May 22, 2009 prototype) by Games' Past
- Feb 27, 2026: Zeno Clash (Jan 8, 2010 prototype) by Games' Past
- Feb 27, 2026: Club Penguin: Elite Penguin Force: Herbert's Revenge (Mar 4, 2010 B prototype) by Games' Past (more)
Merry (S)NESMas! 🎄
For the first day of NESMas, Frank Cifaldi of the Video Game History Foundation brought us a lot of video game prototypes purchased from an estate sale of Steven McKay, who had once been the General Manager of Nintendo’s Mexico division.
The vast majority of the Nintendo prototypes were acquired by Josh Hamblin, who runs SideQuest Games and is one of the organizers for the Portland Retro Gaming Expo. Josh goes more into the back story in a Metal Jesus YouTube video:
Josh has graciously agreed to release the prototypes he acquired after having them graded. He submitted his prototypes to WATA, which provides a service to authenticate, grade, and encapsulate video games in a tamper-proof case. Grading services have been popular in other collecting hobbies, such as coins and cards. With video game collecting becoming more and more popular, grading has arrived to the video games.
Typically, collectors opt to grade rare retail video games, but WATA also offers this service for prototypes, and although it authenticates whether they are legitimate or not, they do not receive a specific grade out of 10. Prototypes, however, are pretty tough to authenticate, thus WATA has turned to Frank Cifaldi of the Video Game History Foundation, who is one of the foremost experts on prototype media, having been in the game for decades, and having handled untold numbers of prototypes himself.
A little known fact is that Frank stipulated that all of his prototype authentication research is eventually made public, which accomplishes a win-win between collectors and prototype enthusiasts. We’re happy to announce that in addition to today’s prototype release, we are also starting to document WATA metadata for their prototype submissions on the wiki.
This includes prototypes that have not had their ROMs releases! WATA does not release ROMs unless they receive explicit permission from the submitter. However, the metadata and authentication text will now be publicly available.
Here are the prototypes from the Josh Hamblin collection. Thanks again to Josh and the Frank Cifaldi for providing these for release!
- 1943: The Battle of Midway (Prototype B)
- 1943: The Battle of Midway (Prototype C)
- Addams Family (Prototype)
- Adventures of Rad Gravity (Prototype)
- Bases Loaded (Prototype C)
- Bionic Commando (Prototype)
- Bubsy II (Jul 12, 1994 prototype)
- D-Force (Prototype)
- Defenders of Dynatron City (Prototype)
- F-117A Stealth Fighter (Prototype)
- Fester's Quest (Prototype)
- Flight of the Intruder (Prototype)
- Galaxy 5000: Racing in the 51st Century (Prototype B)
- Gun.Smoke (Prototype)
- High Speed (Prototype)
- Hit the Ice (Game Boy prototype)
- Irem Skins Game (Prototype)
- King Arthur's World (Oct 21, 1992 prototype)
- Little Nemo (Prototype)
- Mickey's Ultimate Challenge (Aug 25, 1993 prototype)
- Shadowrun (Jan 5, 1993 prototype)
- Solomon's Key (Prototype)
- Super Bases Loaded (Prototype)
- Super Earth Defense Force (Prototype)
- Sword Master (prototype)
- Terra Cresta (Prototype)
- The Addams Family: Pugsley's Scavenger Hunt (SNES Prototype B)
- Ultimate Air Combat (Prototype B)
- Utopia: The Creation of a Nation (Prototype B)
- Where in Time is Carmen Sandiego (Prototype)
- Whomp 'Em (Prototype)
Josh Hamblin has also agreed to release two Sega Genesis prototypes in his collection that were not in the auction – Beyond Zero Tolerance and Dominus.
But that’s not all! Some of the prototypes were bought by Josh Byerly, who also gratiously offered to have his released!
But wait, there’s more gifts!
Finally, Frank himself bought a few of the auctioned prototypes and he is also releasing those today! This includes a US localization of Chester Field which has not been released until now, a more completed version of the unreleased game Titan Warriors (which is really fun and has an awesome sountrack by the way!), as well as a previously unreleased NTSC version of Trolls in Crazyland.
- Chester Field: Ankoku Shin heno Chousen (US prototype)
- Titan Warriors (Prototype B)
- Trolls in Crazyland (Prototype)
- Hatris (Prototype B)
Huge thanks to Josh Hamblin, Josh Byerly, 🎅 Frank Cifaldi for today’s presents!
(psst the VGHF takes donations!)
Stay tuned for tomorrow’s release for more NES goodies!
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- Assassin's Creed IV: Black Flag (Jul 23, 2013 PS3 prototype) by Funtimeandrefoxy
- The Unfinished Swan (May 29, 2014 prototype) by Funtimeandrefoxy
- SDK180 type3 (May 17, 2012 prototype) by Funtimeandrefoxy
- Data by Funtimeandrefoxy
- PlayStation Home (Oct 10, 2008 prototype) by Funtimeandrefoxy
- Minecraft Legacy Console Edition (October 10, 2014 Prototype) by Gonzo
- Shadow Lab (Dec 19, 2013 prototype) by Funtimeandrefoxy
- Twisted Metal 2012 (Feb 1, 2012 Multiplayer prototype) by Funtimeandrefoxy
- Sky NowTV (Aug 14, 2013 prototype) by Funtimeandrefoxy
- Twisted Metal 2012 (Feb 5, 2012 prototype) by Funtimeandrefoxy
- Taikodom (February 18, 2010 Tech Demo) by Gonzo
- Highlander (January 18, 2008) by Gonzo
- Highlander (February 28, 2008 11.41 Prototype) by Gonzo
- Highlander (February 28, 2008 11.17 Prototype) by Gonzo
- Highlander (February 28, 2008 08.57 Prototype) by Gonzo (more)