Cannon's Core (Tails, Eggman, Rouge, Knuckels, and Sonic):
Work together and stop the ARK from colliding into the earth.
Tails: open the door.
Eggman: Open the next door.
Rouge: Drain the Rooms.
Knuckels find the switch to open the next door.
Sonic: Get to the core.
The Biolizard (Shadow):
Hits 1-3: grind up the tube coming out of his mouth when pink balls go up them.
Hits 4-6: Bounce off of the bubbles to get up.
All Hits: Hit the Life support.
The Final Hazard (Super Sonic and Super Shadow):
Hit the swollen parts of the Biolizard whilst having your shield on.