Graveyard Gundown

/*------------------- CONTROLS  & MECHANICS -------------------*/ Movement - WASDFire (Primary Weapon) - LMBFire (Secondary Weapon) - RMB - kill enemies to regenerate your HP- collect dropped cartridges to refill ammo- visit shop (appears at predetermined kill milestones) to refill HP and buy / sell guns- zombies drop gravestones on death, which will spawn a skeleton if not destroyed /*----…