Prototypes

Lost Genesis/Mega-Drive RTS from Sega Technical Institute, Dark Empires, recovered and preserved

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Another unreleased Genesis game long thought lost has now been found and preserved thanks to The Hidden Palace.

Dark Empires, which was being worked on alongside Kid Chameleon at Sega Technical Institute in 1990, got cancelled in order to get the studio to work on Sonic the Hedgehog 2 instead, as we had learned thanks to The Video Game History Foundation back in 2023. While Kid Chameleon made it to store shelves, Dark Empires wasn’t far enough along to get in the hands of Genesis/Mega-Drive owners everywhere. Thankfully, former STI artist Craig Stitt had found a pre-release copy of Dark Empires among his personal archives and shared it with Hidden Palace.

Interested in learning more? You can see more after the break, including the link to download the prototype.

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Fundraiser started to rescue and preserve hundreds of Sega 3DS and DS game prototypes before August 2025

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Video game preservation organizations Obscure Gamers and Video Game Preservation Museum are in the midst of a public fundraiser to help them bring in £61K to rescue some 300 prototypes and showroom demos of classic Sega games on Nintendo DS and 3DS from becoming e-waste. This includes never-before-seen early builds of memorable DS/3DS Sega classics such as Sonic Colors DS, Sonic Generations 3DS, some Mario & Sonic Olympics games, and even a DS build of Project R, better known as Rhythm Thief & The Emperor’s Treasure, which would release on Nintendo 3DS instead of DS in 2012.

Sadly, even with multiple fundraisers set up to pool money, they have not made it far reaching their goal by now, and they must raise the necessary funds before the start of August 2025. Otherwise, they may not have another chance to rescue all this precious Sega history before it returns to the e-waste bins they were pulled from. There’s still plenty of time as of this writing, so it’s too soon to give up now. We encourage you to give whatever money you can spare to help with this noble preservation effort. Obscure Gamers have promised that your money can be refunded in August at your request if the fundraiser fails, so you at least have nothing to lose if they lose, other than tons of important information on the development of these games that could be documented online for all to see, as well as the digital rom files themselves for you to try out.

Links to the various fundraisers, as well as a list of every game prototype hanging in the balance, will be below the break here.

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11 (Yes, Eleven) prototype builds and design documents for cancelled Vectorman PS2 sequel found and preserved

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Vectorman is a name well regarded by fans of the Sega Genesis/Mega-Drive. Vectorman (1995) and its sequel Vectorman 2 (1996) were hallmarks of that console’s twilight years, with some truly impressive pseudo-3D graphics and fluid animation, on top of also being a legitimately fun time. It’s earned it’s honor of being one of Sega’s common picks for their many Genesis game compilations in recent times. It’s just too bad that Vectorman was never able to move beyond the Genesis, though this wasn’t for lack of trying. The original developer of the two Genesis games, BlueSky Software, had envisioned a second sequel on the Saturn that never came to pass, and other developers have wanted to bring Vectorman to the Dreamcast and beyond.

The ill-faded sequel that came closest to fruition was the PS2 game being worked on by Pseudo Interactive, the creators of Full Auto (2006) and Full Auto 2: Battlelines (Also 2006 on PS3 and 2007 on PSP), both of which were actually published by Sega. Before that, Sega announced a new Vectorman title for the PlayStation 2, simply known as Vectorman, in April 2003, with intent to release the following year. The news of the game’s cancellation came before 2003 even ended, in November, despite a positive showing at E3 earlier that same year. This was during the time when then-Sega of America CEO Peter Moore was preparing his departure from the company and shortly before the company would merge with Sammy, so internally, things were tumultuous at Sega and Vectorman did not survive this transition. What did thankfully survive was a bunch of prototype and press builds, art, and documentation on the game, which was all just found and preserved by Comby Laurent on his preservation website Sega Dreamcast Info Games Preservation.

Check in past the break for more info, and a link to check out these finds in finer detail.

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UPDATED: SegaSonic the Hedgehog arcade prototype supposedly uncovered – presenting SegaSonic Bros.

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Remember when the SegaSonic Popcorn Shop ROM was dumped and playable on MAME? Well that same person who did that is now teasing something else Sonic arcade related! Originally shared on Tumblr is what appears to be a working prototype of SegaSonic The Hedgehog the arcade game. The user tagged the Tumblr post with “#unreleased” and added the caption “…it’s the megaton…”. The megaton indeed. For those not in the know, SegaSonic the Hedgehog was a trackball controlled arcade game released exclusively to Japan and North America in 1993. Given the control scheme, the game has not released outside of arcades as Sonic Team has claimed it is too tricky to make the game playable with standard control pads. The game featured the debut of Mighty the Armadillo and Ray the Squirrel, but as this supposed prototype dated 1992 reveals the game was initially known as SegaSonic Bros. and featured blue hedgehog Sonic and a yellow and orange version of our hero (or perhaps two new hedgehogs?). Let’s just hope this hedgehog trio don’t form a band and look for their long lost mother.

We hope to hear more details on this soon, so in the meantime consider this a rumor. Fingers crossed this game gets dumped as well.

Discuss multi-colored Sonics and more in the SEGAbits forums, and after the break check out a small update on this story!

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Sonic Dreams Collection: Fan made ‘unreleased’ Sonic Dreamcast prototypes

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It seems that Arcane Kids, the programmer behind 2013’s Bubsy 3D tribute is now he doing a similar release for Sonic the Hedgehog. He is releasing the ‘Sonic Dreams Collection‘ over on his new site ‘hedgehog.exposed‘ (password is: grandpa). Yes, the site is hosted via Tumblr. You can try Sonic Dreams Collection on both Windows and Mac OS.

According to Arcane Kids’ own description:

“The Arcane Kids$ salvaged FOUR playable prototypes, some concept art, and countless top-secret SEGA files.”

The four ‘salvaged playable prototypes’ include:

  • Make My Sonic ’96: Change colors, size of body parts and more.
  • Eggman Origins ’97: Not working, needs to be connected to ‘Seganet’.
  • Sonic Movie Maker ’98: Play director in various scenes featuring a dark story line.
  • My Roommate Sonic ’99: Hang out with your roomate Sonic while Eggman gives you instructions via phone texts.

While they are passing off the collection as obtained unreleased games via a developer kit purchased via Ebay, the release is clearly created using Unity and doesn’t run on Dreamcast hardware. Its a nice tribute release to make the rounds online. If you want to see someone with a unenthusiastic voice play the leak, hit the jump.

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