Casper

Defeating the Ghosts:
Fatso near kitchen - Feed him hamburgers.
Stinky - Spray perfume on him.
Stretch - Use Glue.
Fatso in bathtub - Use Camera.
General Fatso - Use wind up key then hammer the tanks.
Farmer Stinky - Use hammer and chisel to carve the stone in Casper's Image.
Graveyard Stretch - Use twister morph to lure him into grave dig site.

Drift:
Go to the top-left corner of any room, then hold Up/Left + L1 + R1 + Start. If done correctly, the game should freeze. Then release only Up/Left and L1, keeping the others still held, press Down/RIGHT, Triangle. The game will unfreeze and you will hav e the ability to drift over any wall by press R1, L1 will bring you back down.

Faster Movement:
During gameplay, hold Triangle and press X, R1, R1, R1. The Inventory screen will appear, don't worry, just press Triangle to resume play.

 