First highlight Robot Smoke. Press and hold back, High Punch, High Kick, Block, and Run until
the match begins. Robot Smoke will now be Human Smoke.
Press Right, Up, B, B, A, Down, Up, B, Down, Up, and B on the Game Start screen.
Big Cheat Menu
Press Up, B, A, Left, Down, and Y on the Game Start screen.
Bigger Cheat Menu
Press B, A, Down, Down, Left, A, X, B, A, B, and Y on the Game Start screen.
Hold L and R and press Start on the Game Start screen. (Warning: Do not use random select or your game may freeze.)