Unlock the following bonuses by performing the corresponding tasks:

BONUS - HOW TO UNLOCK
April's adventure mode - As Donatello, successfully complete the Ghetto level.
Casey Jones' adventure mode - Raphael, successfully complete the Subway level.
Casey Jones' jacket costume - April, successfully complete her adventure mode.
Casey Jones' red shorts costume - Casey Jones, successfully complete level the Ghetto level.
April's Apartment stage - Donatello, successfully complete the April's Apartment 2 level.
Autumn stage - Michaelangelo, successfully complete The Dojo level.
Dojo Complete stage - Casey Jones, successfully complete the Turtle's Lair level.
Sewer Falls stage - Raphael, successfully complete the Sewer Falls level.
Sewers stage - Leonardo, successfully complete the Sewers level.
Subway stage - Leonardo, successfully complete the Sparring With Splinter level.
Waterfall stage - April, successfully complete the Turtle's Lair level.