The following commands need to be entered while playing:

Granted effect - Command

Freeze Ball - Up, Down, Up
Mine - Right, Left, Down
Charge-Up Mine - Right, Left, Down (hold down for one second)
Invisibility - Left, Left, Down, Down
Shield - Right, Right, Down, Down
Jump - L1 + R1 Simultaneously
Rear-Fire Weapon - Left, Right, Down + weapon fire button