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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.

Hidden Palace news

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

(earlier news)

Community releases

• Jun 15, 2026: Spyro: Year of the Dragon (Jul 27, 2000 prototype) by MasterGamer423
• Jun 15, 2026: Ironclad (Dec 16, 2008 prototype) by Aubrey
• Jun 14, 2026: Psygnosis March Release Demo (Oct 20, 1999 prototype) by MasterGamer423
• Jun 13, 2026: SOCOM: U.S. Navy SEALs (Mar 12, 2003 prototype) by Gud boi
• Jun 13, 2026: Need for Speed: Nitro (Apr 9, 2009 prototype) by AceArroww
• Jun 13, 2026: Smash Court Tennis Pro Tournament 2 (Mar 9, 2004 prototype) by Gud boi
• Jun 13, 2026: SingStar '80s (Sep 7, 2005 Prototype) by Gud boi
• Jun 12, 2026: Gran Turismo HD (Jun 11, 2007 Le Mans Demo) by Jenci
• Jun 10, 2026: Disney Universe (Jun 21, 2011 prototype) by Anonymous
• Jun 10, 2026: Project Gotham Racing 3 (Oct 13, 2005 Prototype) by MrPinball64
• Jun 10, 2026: 007: Legends (May 1, 2012 prototype) by Anonymous
• Jun 09, 2026: Maestro! Jump in Music (Earliest prototype) by Fabien Delpiano
• Jun 09, 2026: Maestro! Jump in Music (Dec 3, 2007 prototype) by Fabien Delpiano
• Jun 09, 2026: Maestro! Jump in Music (Mar 19, 2009 prototype) by Fabien Delpiano
• Jun 09, 2026: Maestro! Jump in Music (Jul 10, 2009 prototype) by Fabien Delpiano
• Jun 07, 2026: Eurocom Core Technology DemoXT (Sep 16, 2009 prototype) by Anonymous
• Jun 07, 2026: Eurocom Core Technology DemoXT (Jun 18, 2012 prototype) by Anonymous
• Jun 07, 2026: 007: Legends (Oct 2, 2012 prototype) by Anonymous
• Jun 04, 2026: Singularity (Apr 8, 2010 prototype) by James2452
• Jun 03, 2026: Goosebumps: Attack of the Mutant (Aug 2, 1997 prototype) by NovaAurora
(more)

Latest news

Happy NES Year!

Today we bring you the prototype collection of Armageddon Potato, owner of the Armageddon Potato Games store in Sacremento, California. He has been a long time member of the Nintendo collecting community, going back to early NintendoAge days.

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He has amassed quite a collection of prototypes for various consoles, focusing mainly on Nintendo and he has graciously offered to dump his prototype collection for release. Although some of them have turned out to be final builds, there are quite a few fresh prototypes.

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If you would like to support AP, check out his Instagram @armageddonpotatogames and X @ArmageddonPotato.

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Here it is!

The Armageddon Potato collection

But wait, there's more!

As a bonus, Frank Cifaldi offered a prototype of the previously unseen Scanner.

• Scanner (Prototype)

And as a double bonus, the folks at Codebound also added the source code to Lion King for NES and Game Boy, as well as a few Lion King builds for the Game Boy.

• The Lion King (Mar 7, 1994 prototype)
• The Lion King (Jul 13, 1994 prototype)
• The Lion King (Oct 7, 1994 prototype)
• The Lion King (Oct 12, 1994 prototype)
• The Lion King (Game Boy and NES source code)

Enjoy!

Thank you to Armageddon Potato for the big release! As well as Frank Cifaldi and Codebound for contributing the bonus items for NES day. Thanks to togemet2 and iniche for help with the release.

(thanks Nic!)

Until next time!

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Latest contributed articles

• Smash Court Tennis Pro Tournament 2 (Mar 9, 2004 prototype) by (gud boi)
• Ironclad (Dec 16, 2008 prototype) by Aubrey
• SOCOM: U.S. Navy SEALs (Mar 12, 2003 prototype) by (gud boi)
• Spyro: Year of the Dragon (Jul 27, 2000 prototype) by MasterGamer423
• Destruction Derby Arenas (Sep 2, 2003 prototype) by (gud boi)
• SingStar '80s (Sep 7, 2005 Prototype) by (gud boi)
• Psygnosis March Release Demo (Oct 20, 1999 prototype) by MasterGamer423
• GRID Autosport (May 22, 2014 prototype) by Funtimeandrefoxy
• Lights, Camera, Party! (Dec 12, 2011 prototype) by Funtimeandrefoxy
• Start the Party: Save the World (Mar 2, 2012 demo) by Funtimeandrefoxy
• Start the Party: Save the World (Nov 16, 2011 demo) by Funtimeandrefoxy
• Start the Party: Save the World (Oct 16, 2011 Dev demo) by Funtimeandrefoxy
• Start the Party: Save the World (Nov 11, 2011 demo) by Funtimeandrefoxy
• Sackboy: A Big Adventure (Oct 18, 2022 prototype) by Yetanotheraccount0
• Compton's Interactive Encyclopedia: @World Edition (Oct 31, 1996 prototype) by NovaAurora
(more)

Thanks for contributing!