Arrows to move, space to shoot. The crate can give you different guns or ammo. kill zombies for score. you can't go through black, and brown slows down zombies. Gets laggy once score goes up.
This is just a draft so please don't hate. 5 likes= grenades and other mechanics. if you want me to add more tell me in the comments. 1.1- Added sounds and fixed a few bugs. Added R.P.G. Zombies spawn less. Added minigun.