• Level select

Press Down + Start on controller one and Right on controller two simultaneously.

 

• Steal Lives

In a two player game the player that dies first can steal lives from the other player. To do so, press A and B simultaneously.

 

• Wanted Weapon

When playing a two-player game, if you come across a weapon that both of the players want, have them both touch the weapon at the same time. You'll both get it.