From StrategyWiki, the free strategy guide and walkthrough wiki

[edit] General

• or : Move
• or : Crouch
• : Jump
• : Attack, Run while in a village
• or : Fire Projectile, Crouch while in a village
• : Use Special Ability
• : Pause

[edit] Impact Controls

• : Aim
• : Strong Punch (Right Arm)
• : Weak Punch (Left Arm)
• : Fire Coins
• : Baton Pass
• + : Guard
• + + + : Delicious Attack
• + + + : Repeated Punch
• + + : G-Kick
• + + : Blaster Beam (While Charge Meter is Full)