Thimbleweed Park, the adventure game by Ron Gilbert and Gary Winnick, with art by Winnick and Mark Ferrari, is coming soon to a computer or console near you.
It has just been finalized, and has been sent to Microsoft for Xbox certification. In light of this, a release date has been set. It's releasing just a month from now, on the 30th of March!
You can check out more on the game's Steam page.
If you backed it on Kickstarter, then be sure to update your information through PledgeMaster, so you can get your rewards.
I would hope and assume the additional platforms mentioned would be Amiga, Atari ST, and Commodore 64. If you're gonna go retro, go retro!