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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.

Past 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)

Latest contributed articles

• SEGA Mega-CD Bios (Hoshino Special) (sample) by Gageiro
• Streets of Rage II (Preview) by Divingkataetheweirdo
• Grand Theft Auto V (Oct 13, 2014 prototype) by Gonzo
• Watch Dogs (Mar 28, 2014 prototype) by Reverb3252
• Dr. Robotnik's Mean Bean Machine (Kraftwerk prototype) by MDTravis
• Left 4 Dead 2 ( November 4, 2009 demo) by UNKNOWNED
• Left 4 Dead (November 12, 2008 demo) by UNKNOWNED
• DJ GEMS Demo (prototype) by MDTravis
• Sega Multimedia Studio: Sega CD Demo (May 9, 1992 prototype) by MDTravis
• Sega Multimedia Studio: Rave CD (Jun 3, 1993 prototype B) by MDTravis
(more)

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Gex 3: Deep Cover Gecko (Dec 30, 1998 prototype)
Tomb Raider III (Oct 5, 1998 prototype)
Discuss this release on the boards here!

Merry Christmas! It’s been a while huh?

Today I have two prototypes to share with you. One is a nice prototype of Gex 3: Deep Cover Gecko for the Sony PlayStation. A nice debugger is enabled to help play through the unfinished content. Secondly, we have a late prototype of Tomb Raider III for the Sony PlayStation. This one has its oddities, but thankfully also has a level select enabled to help you play through the entire prototype. We made very lengthy videos covering a little bit of everything as well so be sure to take a look!

Until next time (which might be sooner than you think)!