Continue with score:
To restart a level with all of your points, let the timer run down at the Game Over screen. Then, at the main menu select "Continue". Note that this doesn't work on the first stage.
To unlock a stage in Quickplay mode, complete it in Story mode.
The Inflatable Reptilian Hero - Get flattened by any trap.
Seen My Bones? - Get zapped by any laser traps or attacks.
Invincible - Complete a level without having to use a single Power-up.
Turtle Tantrum! - Destroy more than 5 enemies using a destructible object.
Slow as a Turtle - Complete a level in under 3 minutes.
Lean, Green and Mean - Achieve more than 8,000 points.
Staying Alive - Defeat the Final Boss without dying.
Toe Be or Not Toe Be? - Avoid all traps in Level 3.
Ice, Ice, Turtle - Avoid Ice Ray traps in Level 8.
Turtle Power - Complete the game in Story Mode. (Normal difficulty onwards).
I Will Survive - Complete a Survival Mode game. (Normal difficulty onwards).
Heroes in a Half Shell - Complete the game with all 4 Turtles.