Successfully complete the Ghetto level with Donatello to unlock April's adventure mode.
Casey Jones' adventure modeSuccessfully complete the Subway level with Raphael to unlock Casey Jones' adventure mode.
Foot Soldier's adventure modeSuccessfully complete Raphael's adventure mode to unlock Foot Soldier's adventure mode.
HUN's adventure modeSuccessfully complete Michaelangelo's adventure mode to unlock HUN's adventure mode.
Shredder's adventure modeSuccessfully complete Donatello's adventure mode to unlock Shredder's adventure mode.
Splinter's adventure modeSuccessfully complete Leonardo's adventure mode to unlock Splinter's adventure mode.
Casey Jones' jacket costumeSuccessfully complete Casey Jones' adventure mode with April to unlock Casey Jones' jacket costume.
Casey Jones' red shorts costumeSuccessfully complete the Ghetto level with Casey Jones to unlock Casey Jones' red shorts costume.
Shredder's gold costumeSuccessfully complete Shredder's adventure mode to unlock Shredder's gold costume.
April's Apartment stageSuccessfully complete the April's Apartment 2 level with Donatello to unlock April's Apartment stage.
Autumn stageSuccessfully complete The Dojo level with Michaelangelo to unlock the Autumn stage.
Dojo Complete stageSuccessfully complete the Turtle's Lair level with Casey Jones to unlock the Dojo Complete stage.
Sewer Falls stageSuccessfully complete the Sewer Falls level with Raphael to unlock the Sewer Falls stage.
Sewers stageSuccessfully complete the Sewers level with Leonardo to unlock the Sewers stage.
Shredder's Palace Exterior stageSuccessfully complete The Lab 12 level with Leonardo to unlock the Shredder's Palace Exterior stage.
Subway stageSuccessfully complete the Sparring With Splinter level with Leonardo to unlock the Subway stage.
Waterfall stageSuccessfully complete the Turtle's Lair level with April to unlock the Waterfall stage.