The 9th game of the Zombie Mission 9 saga begins in the underground city. After the cities of the world were damaged, life began underground. But zombies are about to take over the underground city. You have to save the underground city from zombies by using weapons and vehicles. 3 different bosses are waiting for you. Develop your weapon, character and robot using the Market section. You can play Zombie mission 9 as single player or two player. Player 1: Move: "W,A,S,D" Hit: "F" Grenade: "G" Jump: "W"(Walk on the wall) Switch weapon: "Q-E" Player 2: Move: "ARROW KEYS" Hit: "L" Grenade: "K" Jump: "UP ARROW KEY" (Walk on the wall) Switch weapon: "O-P" You can play the game both 1 Player and 2 Player. You can check the walkthrough video from the "W" icon in the levels you cannot pass. We also recommend that you start in "Normal" mode when playing the game for the first time. INSTRUCTION