- 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)
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.
- Aug 20, 2025: Max Payne 3 (Mar 14, 2012 Multiplayer prototype) by Cheato
- Aug 20, 2025: SpongeBob SquarePants: 3D Obstacle Odyssey (Mar 30, 2004 prototype) by Sandmanfan
- Aug 20, 2025: Bubsy II (Nov 10, 1994 prototype) by
- Aug 19, 2025: Brooklyn Stories (Feb 12, 2010 Dev demo) by Riley541
- Aug 16, 2025: Call of Duty: Vanguard (May 20, 2021 prototype) by Riley541
- Aug 15, 2025: Tomb Raider Chronicles (Nov 2, 2000 prototype) by AMSNL
- Aug 08, 2025: Headhunter (Sep 18, 2001 prototype) by AMSNL
- Aug 06, 2025: NBA Jam: Tournament Edition (Sep 29, 1995 prototype B) by AMSNL
- Aug 06, 2025: NHL All-Star Hockey 98 (Aug 10, 1997 prototype) by AMSNL
- Aug 05, 2025: Mahjong Gakuensai DX: Zenjitsu ni Matsuwaru Funsenki (Jul 1, 1998 prototype) by AMSNL
- Aug 05, 2025: Quarterback Attack (Sep 21, 1995 prototype) by AMSNL
- Aug 05, 2025: Quarterback Attack (Sep 26, 1995 prototype) by AMSNL
- Aug 05, 2025: Source Filmmaker (Feb 15, 2012 prototype) by Dr seal
- Aug 03, 2025: TrueMotion Saturn Demo (Dec 8, 1995 prototype) by AMSNL
- Aug 03, 2025: Halo Infinite (Sep 6, 2021 prototype) by Birdonwheels
- Jul 31, 2025: NFL Street 2 (Aug 28, 2006 prototype) by AMSNL
- Jul 31, 2025: Emergency Mayhem (Jul 5, 2004 prototype) by AMSNL
- Jul 30, 2025: Klonoa Beach Volleyball (Jun 28, 2002 PAL prototype) by Nutsak
- Jul 29, 2025: Neo Scavenger (Neo Scavenger (Nov 15, 2013 prototype)) by BOTULISMISFUN
- Jul 28, 2025: Hot Shots Tennis (Jan 19, 2007 prototype) by SuperSqank (more)
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.
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.
If you would like to support AP, check out his Instagram @armageddonpotatogames and X @ArmageddonPotato.
Here it is!
But wait, there's more!
As a bonus, Frank Cifaldi offered a prototype of the previously unseen Scanner.
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.
Until next time!
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- Medieval Moves: Deadmund's Quest (Sep 20, 2011 prototype) by Funtimeandrefoxy
- Bubsy II (Nov 10, 1994 prototype) by Lemurboy12
- Daily Life Document by Ztopia
- Starhawk (Sep 17, 2011 prototype) by Funtimeandrefoxy
- School Mode Design Document by Ztopia
- Max Payne 3 (Mar 14, 2012 Multiplayer prototype) by Cheato
- Carnival Island (Aug 23, 2011 prototype) by Funtimeandrefoxy
- Far Cry 3 (Sep 24, 2012 Multiplayer B prototype) by Funtimeandrefoxy
- SpongeBob SquarePants: 3D Obstacle Odyssey (Mar 30, 2004 prototype) by Sandmanfan
- SpongeBob SquarePants: Creature from the Krusty Krab (Aug 29, 2006 C USA prototype) by Sandmanfan
- SpongeBob SquarePants: Creature from the Krusty Krab (Aug 29, 2006 C Europe prototype) by Sandmanfan
- SpongeBob SquarePants: Creature from the Krusty Krab (Aug 29, 2006 Europe prototype) by Sandmanfan
- SpongeBob SquarePants: Creature from the Krusty Krab (Aug 29, 2006 USA prototype) by Sandmanfan
- SpongeBob SquarePants: Creature from the Krusty Krab (Aug 28, 2006 USA prototype) by Sandmanfan
- SpongeBob SquarePants: Creature from the Krusty Krab (Aug 28, 2006 Europe prototype) by Sandmanfan (more)