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