Bronze trophies
Amuse Bouche - Eat the final cork in Level 1
Delicious Magnetic Balls! - Eat the magnetic balls at the end of Chapter 5
Extinction - Eat all of the escape pods in the final level
Finally, monsieur, a wafer thin mint - Absorb 1500 objects
Getting the Boot - Boot yourself over the spikes at the end of Chapter 4
Graduation Dinner - Eat the valedictorian at the end of Chapter 1
Houston, we have a problem - Board the rocket ship at the end of Chapter 2
It Came From Outer Space - Take a ride on the space elevator at the end of Chapter 3
Jealous? - Look up the top score on any leaderboard
Master Tilter - Complete all of the Tilt-A-Blob levels
Not too shabby - Earn a silver medallion or better in five levels

Silver trophies
Blob Friends Forever - Collect all Blob Friends in the game

Gold trophies
Golden Blob - Earn a gold medallion in every level