Player 1's Controls: A and D - Move Left/Right W - Jump Q - Attack S (while midair) - Fall Quicker Player 2's Controls: Left and Right Arrows - Move Left/Right Up Arrow - Jump / - Attack Down Arrow (while midair) - Fall Quicker Both players start at 50 HP, and the first person to lose all of their HP loses. Feel free to use this engine for your projects, as long as you give credit.