Here is the full list of all 50 Teenage Mutant Ninja Turtles: Mutants in Manhattan achievements worth 1,000 gamerscore.
Transported gold bars 30 times
Protected 30 ATM machines
Transported 30 Krang Bombs to a portal
Transported 10 Chemical Weapons to a Portal
Transported 30 bags of money
Disarmed 30 time bombs
Obtained all Collectibles
Used any character at least 50 times
Protected 10 Pizza Trucks
Defeated 5 enemies with both Turbo Mode and Berserk activated
Defeated 10 Stone Warriors with turrets in Wingnut's stage
Upgraded 30 Charm Effects
Ate 100 pizzas
Survived the elevator section at the TCRI building without taking any damage
Defeated Rocksteady and Bebop by letting them get run over by a train
Made everyone perform a Communication Action during the snapshots when a boss is defeated
Completed a gold bar mission without the carrier being hit even once
Dismantled Charms 30 times
Completed Hard mode
Traversed a total of 150 miles
Completed a stage without being spotted once (outside of Missions)
Ate a pizza during the snapshots when a boss is defeated
Defeated the 4 Krangdroids with your conventional weapons in Mega Krang's stage
Watched Mikey do his co-op move finishing pose during the snapshots when a boss is defeated
Obtained 50% of all Collectibles
Defeated a Secret Boss
Played online at least once
Detonated 100 drum cans (including proximity mines)
Used a Combo Attack to defeat 6 enemies at once
Hung out outside of an enemy hideout for at least 10 seconds
Destroyed a helicopter
Climbed to the highest point in Karai's stage and did a little dance
Traversed 1 mile in the Residential Area without touching the ground
Destroyed a rampaging car with a drum can
Defeated 5 enemies with 1 drum can
Defeated 5 enemies at once by blowing up a Foot Soldier carrying a bomb bag
Obtained 25% of all Collectibles
Completed Easy or Normal mode
Entered the Pizza Room during the snapshots when a boss is defeated
Found the secret room in the TCRI building
Traversed a total of 32 miles
Experienced all of the Krang UFOs' status effects
Destroyed 30 cameras and laser devices
Turned all Turtles turn into zombies simultaneously by touching contaminated water
Activated the ceiling switch during the battle with Slash
Collected 10,000 Training Points
Used Turtle Switching to defeat 1 enemy with all 4 Turtles
Equipped at least one Emblem to your profile
Completed the Tutorial
Grinded rails for 300 feet