Eat the final cork in Level 1
Eat the valedictorian at the end of Chapter 1
Eat all of the escape pods in the final level
Complete all of the Tilt-A-Blob levels
Collect all Blob Friends in the game
Earn a gold medallion in every level
Board the rocket ship at the end of Chapter 2
Take a ride on the space elevator at the end of Chapter 3
Boot yourself over the spikes at the end of Chapter 4
Eat the magnetic balls at the end of Chapter 5
Earn a silver medallion or better in five levels
Look up the top score on any leaderboard
Absorb 1500 objects