Fall into a manhole 5 times.
Unlocked: 14 Dec 2007 23:05:58
Ninjitsu
10Defeat three opponents with a direct attack.
Unlocked: 14 Dec 2007 22:30:39
Clear out the Apartment and April’s Loft in 2:00 minutes or less.
Unlocked: 14 Dec 2007 22:24:36
Lofty Goal
10Clear out April's Loft, losing 10 health or less, in a Local game.
Fire Hazard
20Rescue Master Splinter without being burned by the flamethrower.
Evade
15Defeat General Traag in the Technodrome, losing 20 or less health.
Deep Freeze
15Get past the freezing trap in the Technodrome, without being frozen.
Strategy
25Defeat Krang's robot, losing 10 health or less.
Turtle Soup
25Defeat Shredder without being turned into a regular turtle.
Superhero
15Destroy all Parking Meters, Pylons, Barrels, and Speed Signs in the game.
Earn 250 points, individually, in an Xbox Live CO-OP game.
Defeat Shredder in an Xbox Live CO-OP game, and live to tell the tale.