???
Fully upgrade Mikey's Shell Kickers.
Find Mikey's lost comic book.
Fully upgrade Raph's Shell Kickers.
Find a Chi upgrade.
Knock down 100 Kraang Droids.
Fully upgrade Leo's Shell Kickers.
Rescue a captured turtle.
Fell 100 Footbots.
Fully upgrade Donnie's Shell Kickers.
Take Casey's advice to upgrade a Shell Kicker.
Mangle 100 Mousers.
Find a Smoke Bomb upgrade.
Find a way inside the TCRI Building.
Perform 100 Shell Kickers successfully.
Perform 50 Shell Kickers successfully.
Find a Health upgrade.
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 hours.
Finish the game in under 2 hours 30 minutes.
Finish the game in under 1 hour.
Finish the game without upgrading any Shell Kickers.
Beat Rahzar without taking damage.