Read all of the instructions, there's not much, it's just spread out. Player 1: (Right side) Right arrow to go right. Left arrow to go left. Up arrow to jump. Down arrow to jab with sword. L for lightning bolts. O for sword throw. Player 2: (Left side) D to go right. A to go left. W to jump. S to jab with sword. G for lightning bolts. T for sword throw.
You start off with 200 health each. To get a critical, corner the other player then use any attack. To get out of a critical, jump then move out of there. Comment If you want me to add any attacks.
