WASD to move. Left and right keys to change direction. Space key to Shoot. NOTE: Please don't touch the cactus because it can kill you
Update 1: Added score Update 2: Added High score Update 3: speeded up the zombies by score Update 4: Changed the player's skin Update 5: Completed @Ch11isthebest Request Update 6: Added a map Desert, 2 cactus and a desert zombie
