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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

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

Nov 23, 2022: Sonic 3 and Feel Preproduction VHS Tapes!

Oct 31, 2022: Happy Halloween 2022! Castlevania: Symphony of the Night for the Tiger Game.com!

Jan 1, 2022: New Years 2022!

Nov 13, 2021: Go Go Goemon! Mystical Ninja Goemon Zero

Oct 10, 2021: Mortal Kombat prototype for the Sega Mega Drive

Sep 18, 2021: Project Deluge: Xbox and Dreamcast

Jul 24, 2021: Angels with Burning Hearts: Burning Rangers Prototype

May 1, 2021: Crash Landing

Apr 17, 2021: Project Deluge: PlayStation 1, Saturn, and CD-I (Part 2)

Mar 20, 2021: Project Deluge: PlayStation 2

Jan 1, 2021: Dreams Come True: Sonic 1 (MD) Prototype

(earlier news)

Latest contributed articles

• Guilty Gear X (May 23, 2000 prototype) by Tikal.
• Call of Duty: Black Ops II (November 7, 2012 Prototype) by GDmad10
• Counter-Strike: Global Offensive (June 18, 2012 prototype) by TheTechnoGuy18
• Nyehmeh by Lilithdesign388
• Pizza Frenzy (Nov 27, 2004 prototype) by Lilithdesign388
• Killer is Dead: Nightmare Edition (Jan 9, 2014 prototype) by Maple Ellie
• Taz: Wanted (Jul 31, 2002 prototype) by Tikal.
• Taz: Wanted (Jun 27, 2002 prototype) by Tikal.
• Taz: Wanted (May 29, 2002 prototype) by Tikal.
• Taz: Wanted (May 2, 2002 prototype) by Tikal.
(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)!