Go Gimbal Go is out for Xbox Live Indie Games. It was recently reviewed by Indiegames.com.
There words - "Anyone remember Uniracers for the Super NES? Gimbal Lock Studios' recent Xbox Live Indie Games release Go Gimbal Go is sort of like a story-based, platforming-heavy Uniracers, and it's kind of awesome."
Read about it here
You can buy the game here as well.
Marketplace.xbox.com