Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Marble Blast Ultra, commonly abbreviated as MBU, is a 3D puzzle/action game involving a marble, originally available for the Xbox 360 via Xbox Live Arcade for 800 Microsoft Points $10 USD . However, on December 5, 2007, it was made an Xbox Live Arcade Hit and its price was lowered to 400 Microsoft Points or $5 USD. Marble Blast Ultra is the sequel to Marble Blast Gold. It features 60 brand new levels, enhanced graphics, 2 new power-ups and a multiplayer mode. A PC port of the game under the title Marble Blast Online is playable exclusively at InstantAction. In Singleplayer mode, the player has the main goal of reaching the finish pad of the level as fast as possible. Obstacles will hinder the player''s progress, but powerups are also provided to help the player finish the level. There are 60 singleplayer levels that can be completed by the player. They are divided into Beginner, Intermediate, and Advanced Levels, each category containing 20 levels.