--P1-- Hold space to charge attack and release space to attack S to block A to cancel attack --P2-- Hold left arrow to charge attack and release left arrow to attack Down arrow to block Right arrow to cancel attack --Main objective-- Get the other player to 0 hp by charging up your attacks and releasing to hurt them. block the enemies attacks to avoid dying. the longer an attack is charged the more damage it does. the bar on the side represents attack power. if you get hit while charging an attack then the charge resets. If you try to block while charging an attack you get stunned.
HAL labs / Nintendo If you dont have anyone to play with, turn on P2 AI. (the AI has lower move cooldowns to be harder)
