Major Nelson points out that Marble Blast Ultra has hit the Xbox Live Arcade ahead of schedule.

Some details: Race your marbles through a futuristic Astrolabe Arena of moving platforms and perilous obstacles. Collect rare gems and valuable power-ups to increase your speed, jumping ability or flight power. Roll your way to the top of the leaderboards, challenge yourself to gain all 12 achievements and search the arena all 20 elusive Easter eggs. Take your marbles on Xbox 360 Live! with up to seven opponents in an all out multiplayer blast fest to see who can collect the most gems before time runs out. Choose from 60 single-player levels, or compete on Live! on an additional 10 multiplayer levels.

The game 32 MB game is 800 points or you can get a demo for free.

Marble Blast Ultra Now Available [Major Nelson]