A 2 player battle! I added more attacks: IJKL for normal spears, TFGH for yellow spears, and DXCV for fast spears. Undyne: Use the q-w-e-r keys to do different attacks! E: come from different directions, single\ W: charged attack, player needs to attack three times Q: Multiple come from one place R: Does a yellow backwards spear. Soul: Space to attack, arrow keys to move the blue thing.