W, A, S, D or Arrow keys to move Space, E, or left click to attack Medkits: Drops every 5 to 30 seconds, heals 1 hp Shield: grants invincibility for about 10 seconds Notes about the boss (Spoilers alert) Arm swing: swings arm around, try not to get hit. Crow bomb: Spawn amount depends on health, the crow bomb goes to random locations on the map and explodes after 1 to 2 seconds. Hay shuriken: Fires shurikens depending on the health, can be parried by sword. Laser eye: Starts with a laser target indicator, it will chase the player, while the laser follows the indicator. Duration depends on health.
Game foundation for the code used in the intro animation