Beat Rahzar without taking damage.
Achieve 100% Completion.
Quell 300 Kraang Droids.
Maim 300 Mousers.
Find every Shuriken upgrade.
Find Mikey's lost comic book.
Finish 300 Footbots.
Find every Health upgrade.
Find every Chi upgrade.
Find every Smoke Bomb upgrade.
Finish the game in under 4:00.
Finish the game in under 2:30.
Finish the game in under 1:00.
Finish the game without upgrading any Shell Kickers.
Give Shred-head something to think about.
Neutralize the Newtralizer
Watch every bonus conversation.
Teleport into Dimension X.
Trounce Tiger Claw
Knock down 100 Kraang Droids.
Sneak into the Warehouse district.
Find a Chi upgrade.
Fully upgrade Mikey's Shell Kickers.
Fully upgrade Raph's Shell Kickers.
Fully upgrade Leo's Shell Kickers.
Fully upgrade Donnie's Shell Kickers.
Take Casey's advice to upgrade a Shell Kicker.
Swat Baxter Stockman.
Find a Smoke Bomb upgrade.
Find a way inside the TCRI Building.
Mangle 100 Mousers.
Watch a bonus conversation.
Fell 100 Footbots.
Seek out wisdom from Splinter.
Rescue a captured turtle.
Perform 100 Shell Kickers successfully.
Find a Health upgrade.
Perform 50 Shell Kickers successfully.
Find a Shuriken upgrade.
Return to the Lair and undergo training.