Captain Commando Codes -

Four player mode:
Press Square + Triangle + Circle + X when the warning appears on the opening screen. Four players may now play the game simultaneously.

Stage select:
Highlight the "Game Start" option, then press L1 + R1 + Right. The starting stage number will appear next to that option to confirm correct code entry.

Hint: One-hit kill:
Select Captain or Jennety as a character. Hold L1 + R1, and press Special Move to execute a one-hit kill.