Default Controls - Controller

Both Players

Actions Controls Notes
[Move] or  
[Shoot]  
[Borrow Life] Co-op only, see Co-op Game for more details

Global

Action Controls Notes
[Insert Coin] At title screen
[1P Start] At title screen, on Player 1's controller
[2P Start] At title screen, on Player 2's controller
[Service]  
[Pause] In-game
[Quit] During pause screen

Service Mode

Actions Controls Notes
[Move Cursor] or  
[Toggle]/[Select]