To use these codes, start a game, then pause it, select Options, and enter a code. You will hear a click. Exit the Options menu and resume your game. Press A for a secret Options menu. Other choices require another code. Use Left and Right to change settings.

Result - Code:

Invisible Walls - B, B, B, Z, A, A, A, Z
Curve Ball - Z, A, B, Z, B, B
Super Power - Z, A, Z, Z, Z, Z, Z, Z, Z, Z
Super Goalie - A, A, A, A, A, Z, Z, Z, Z, Z
Super Offense - A, A, A, A, A, Z, B
Super Defense - Z, Z, Z, Z, Z, B, Z
Shootout - A, Z, A, B, A, Z
Stupid Team - A, Z, B, A, Z, B
Dream Team - A, A, Z, Z, B, B, A, A
Crazy Ball -B, A, Z, B, B, Z, A, B