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