Zombie Apocalypse 2012. Controls: Space key on keyboard = shoot. K key on keyboard = use key after you pick it up. R key on keyboard = restart game. F4 to go full screen. Esc on keyboard exits the game. Directions: left click start to start the game try to get through the game using as less ammo as possible if you run out of ammo press the "R" key to restart the game as long as your character is move-able. Description: The Zombie Apocalypse has happened You are Surrounded by Hordes of Zombies and you have limited bullets, you must find a way to survive and shoot as less as possible to save your ammo for the Final Horde of the walking dead. The game has 3 alternate endings depending on who you kill and who you let live at the end of the game.