If You complete the indicated task You'll get the allotted gamerscore.
Heroes in a Half Shell (30) - Complete the game with all 4 Turtles.
I Will Survive (30) - Complete a Survival Mode game. (Normal difficulty onwards)
Turtle Power (25) - Complete the game in Story Mode. (Normal difficulty onwards).
Staying Alive (25) - Defeat the Final Boss without dying.
Ice, Ice, Turtle (20) - Avoid Ice Ray traps in Level 8.
Lean, Green and Mean (20) - Achieve more than 8,000 points.
Toe Be or Not Toe Be? (20) - Avoid all traps in Level 3.
Slow as a Turtle (10) - Complete a level in under 3 minutes.
Turtle Tantrum! (5) - Destroy more than 5 enemies using a destructible object.
Invincible (5) - Complete a level without having to use a single Power-up.
The Inflatable Reptilian Hero (5) - Get flattened by any trap.
Seen My Bones? (5) - Get zapped by any laser traps or attacks.
Unlock Levels for Quickplay Mode
Play story mode and defeat the boss at the end of a level to unlock that stage in quickplay mode.