It features many cut creatures, features, debug editors and overlays, a planet editor, a cut flora editor, an animation viewer, a model viewer, and much more cut content that is sure to make the Spore modding community busy in 2026. 😎

Have fun!

Happy New Year everyone! Presenting, a really awesome prototype of Spore! Dated a full six months before the final release, this has been famed for its lengthy development and the many iterations it went.

hiddenpalace.org/Spore_(Feb_1...

Enjoy!

Apologies for taking so long with some of these as we knew people were waiting for them. Things were taking a long time as some of the discs proved to be a lot more trouble than we thought. Check out the article to find out how everything came together!

Merry Christmas! It's that special time of year again where we celebrate the holidays with yet another yuletide collection of prototypes! This time we have a couple of Sonic prototypes just for you courtesy of Santa and @lastminutecontinue.com!

hiddenpalace.org/News/One_Bad...

Enjoy!🎄🦔

We'd also like to thank MrPinball64 for acquiring these prototypes and letting us release them, as well as Billscat-socks for doing all of the documentation and playing them on our Twitch.

Enjoy, everyone! And for those in the northern hemisphere, enjoy your summer!

In addition, we have two very early builds of Justice League: Chronicles and a prototype of Freekstyle

Hello again! Presenting: A nearly complete build of Animaniacs: Hollywood Hypnotics for the Game Boy Advance, a game that was thought to have been lost until now!

Hello everyone! Join us tomorrow, at 2PM EST (7:00 PM UTC) at twitch.tv/hiddenpalace/ for a special presentation from @kneesnap.bsky.social
and @hellfire.tv
detailing a massive 85GB treasure trove treasure trove of Frogger 2 prototypes and development materials!

Thank you so much to all contributors, as well as togemet2, iniche, Nic for helping with this release.

Happy NES Year!

And finally, as a bonus, the fine folks at CodeBound
released the source code to the NES and Game Boy versions of The Lion King, as well as a few working Game Boy builds spanning multiple months.

But that's not all!

Presenting, a previously unreleased game – a pitch for a NES game called Scanner. Thanks to @frankcifaldi.bsky.social for providing this one!

(I've lost count how much good stuff Frank has contributed just this past year)

Happy NES year! Today we bring you a collection of close to 100 new prototype builds from Armageddon Potato, including NES, SNES, Game Boy and some Sega Genesis goodies!

Hello again! For the second day of NESMas, we bring you a collection of prototypes amassed by the Nolan Brothers, who have graciously donated the majority of their collection for preservation. Enjoy!

See you on January 1st for our last NESMas stream!

hiddenpalace.org/News/NESMas_...

But that's not all! Frank Cifaldi has graciously contributed several prototypes in this release, including an unreleased Capcom shooter Titan Warriors, a sequel to their first game Vulgus, and an unreleased localization of Chester Field by Vic Tokai

As a bonus, Josh Hamblin has added a couple of Sega Genesis prototypes to the batch. A later prototype of the unreleased Beyond Zero Tolerance, and an unreleased early port of the DOS RTS game Dominus. Thank you so much for these contributions!

Merry (S)NESMas, everyone! Presenting a collection of NES and SNES prototypes, courtesy of @frankcifaldi.bsky.social of @gamehistoryorg.bsky.social, Josh Hamblin of SideQuest Games, and Josh Byerly

Tune in tomorrow for our second wave of releases!

hiddenpalace.org/News/NESMas_...

Merry Christmas! Join us for a small Christmas Day stream! twitch.tv/hiddenpalace