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