Defeat Shredder without being turned into a regular turtle.
Destroy all Parking Meters, Pylons, Barrels, and Speed Signs in the game.
Defeat Krang's robot, losing 10 health or less.
Defeat General Traag in the Technodrome, losing 20 or less health.
Get past the freezing trap in the Technodrome, without being frozen.
Earn 250 points, individually, in an Xbox Live CO-OP game.
Rescue Master Splinter without being burned by the flamethrower.
Defeat three opponents with a direct attack.
Clear out April's Loft, losing 10 health or less, in a Local game.
Continue playing to unlock this secret achievement.
Clear out the Apartment and April's Loft in 2:00 minutes or less.
Defeat Shredder in an Xbox Live CO-OP game, and live to tell the tale.