use WASD or arrow keys to move, and space to attack. Press numbers 1-4 to spawn various enemies, when killed, enemies will drop coins, coins increase the size of your lance. This only a demo, and the full game will have a full level system with more enemies and editing mode. I will add the link to it here when it is finished:
All code is by me, with some sprites' costumes taken from free download PNG sites around the internet.