- 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)
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Revision as of 03:05, February 2, 2025
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.
- Sep 24, 2026: Dishonored (Aug 7, 2012 prototype) by Witch
- Sep 24, 2026: Rise of the Guardians: The Video Game (Oct 19, 2012 prototype) by James2452
- Sep 22, 2026: Norse by Norsewest: The Return of the Lost Vikings (Feb 25, 1997 prototype) by AMSNL
- Sep 21, 2026: NFL Fever 2003 (Jun 24, 2002 prototype) by AMSNL
- Sep 19, 2026: SEGA Mega-CD Bios (Hoshino Special) (sample) by Gageiro
- Sep 18, 2026: Grand Theft Auto V (Oct 13, 2014 prototype) by
- Sep 18, 2026: Dr. Robotnik's Mean Bean Machine (Kraftwerk prototype) by CartridgeCulture
- Sep 17, 2026: DJ GEMS Demo (prototype) by CartridgeCulture
- Sep 16, 2026: Burnout 3: Takedown (Jul 28, 2004 prototype) by MattKC
- Sep 16, 2026: Sega Multimedia Studio: Sega CD Demo (May 9, 1992 prototype) by CartridgeCulture
- Sep 16, 2026: Sega Multimedia Studio: Rave CD (Jun 3, 1993 prototype B) by CartridgeCulture
- Sep 16, 2026: Sega Multimedia Studio: Rave CD (Jun 3, 1993 prototype A) by CartridgeCulture
- Sep 16, 2026: Sonic the Hedgehog CD (Aug 4, 1993 prototype) by CartridgeCulture
- Sep 16, 2026: Jurassic Park (Jan 26, 1994 prototype) by CartridgeCulture
- Sep 16, 2026: Jurassic Park (Nov 18, 1993 prototype) by CartridgeCulture
- Sep 16, 2026: Sewer Shark (Jun 20, 1993 prototype) by CartridgeCulture
- Sep 16, 2026: Prize Fighter (Nov 18, 1993 prototype) by CartridgeCulture
- Sep 16, 2026: Dracula Unleashed (Nov 8, 1993 prototype) by CartridgeCulture
- Sep 16, 2026: Ports of Call: XXL (Oct 9, 2003 prototype) by AMSNL
- Sep 15, 2026: Batman (US prototype) by CartridgeCulture (more)
Frogger 2 Motherload Lot
Discuss this release on our Discord server!
Discuss this release on the Highway Frogs Discord server!
Hello everyone! Today we're partnering with Highway Frogs for the release of the Frogger 2 Motherload Lot!
Highway Frogs not only obtained a full development archive of Frogger 2: Swampy's Revenge, but also spent hundreds of hours preparing for this release.
What could they have possibly spent hundreds of hours on, you may ask. Isn't releasing prototypes as simple as dumping CDs/ROMs, and uploading them online?
Here are some of the things they did:
- Over 1000 Pages of Paper Documents needed to be scanned, deskewed, and turned into PDFs.
- Over 200 audio tracks were rendered/mastered extremely carefully using original hardware such as the Yamaha EX-5 and original software like SoundForge 4.0.
- The "End of Project" Tape was damaged by a data recovery company, and it took months of reverse-engineering to recover the data ourselves. ([More Info])
- Source Code Repos for 7 different games/consoles were byte-matched, and made easy to build on modern computers.
- Tools were made for working with some of the backups, such as a 3D object converter, or a compiler/decompiler for game scripts, and more.
- Some prototypes were built using source code/assets found within the backups.
- Almost every single file (> 60k) was thoroughly investigated for any hidden data, what software used it, etc.
- Also juggling several other releases of similar magnitude at the same time. (Coming soon)
- A mod fixing Frogger 2's compatibility issues on modern computers, aka the "Frogger 2 Enhanced PC Port".
- Tons more.

Thank you to Highway Frogs for the big release! There were many people involved in making this release happen, so check out the credits on the release page.
Until next time!
- Funtimeandrefoxy: 24,039 edits, 11149 articles
- Tikal.: 7,787 edits, 4318 articles
- Dink: 3,937 edits, 2783 articles
- Gonzo: 2,862 edits, 1340 articles
- Czykago: 1,751 edits, 547 articles
- Lilithdesign388: 1,410 edits, 383 articles
- Glitchmaster: 1,376 edits, 886 articles
- PopuriAO29: 1,120 edits, 9 articles
- Слава України: 1,016 edits, 368 articles
- Starfrost: 1,008 edits, 428 articles
- UNKNOWNED: 810 edits, 236 articles
- Togemet2: 656 edits, 689 articles
- Cheato: 634 edits, 239 articles
- Vindico: 624 edits, 314 articles
- Hiccup: 614 edits, 185 articles (more)
- Dishonored (Aug 7, 2012 prototype) by Gonzo
- Rise of the Guardians: The Video Game (Oct 19, 2012 prototype) by Funtimeandrefoxy
- 1 vs. 100 (Feb 25, 2009 prototype) by Revurt
- DON (Mar 9, 2012 prototype) by AubreyUnseen
- Garfield Fur Tech Demo (prototype) by AubreyUnseen
- Norse by Norsewest: The Return of the Lost Vikings (Feb 25, 1997 prototype) by Dink
- NFL Fever 2003 (Jun 24, 2002 prototype) by Dink
- 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 (more)

