Mega Jump - CJ can now jump 10 times as high as before. That's right, CJ's getting higher than ever.
Up, Up, Triangle, Triangle, Up, Up, Left, Right, Square, R2, R2.

Quad - Spawns a quad that drops down right in front of CJ.
Left, Left, Down, Down, Up, Up, Square, Circle, Triangle, R1, R2.

Hydra - Spawns a Hydra in front of CJ.
Triangle, Triangle, Square, Circle, X, L1, L1, Down, Up.

Vortex - Spawns a hovercraft in front of CJ.
Triangle, Triangle, Square, Circle, X, L1, L2, Down, Down.

Enjoy.