P1 uses W,A,S,D to move and Z for normal attack, and X for special attack. P2 uses Arrow keys to move and M for normal attack, and N for special attack. Some stages have stage hazards, like the fire and lightning stages: you take damage when you touch the lava or the electric river. Then there is the water stage: where you go sideways if you go into the river. Some characters have immunity to certain stage hazards. Like the fire character has immunity to the lava in the fire stage.
F in the main screen kids.
