The two heroes continue the zombie mission in this winter sequel of the game series. Here you will encounter more challenging zombies, traps and problems to solve. Zombies have infected various areas and you need to save the hostages and the data disks with crucial information so humanity can survive. You can use different weapons in order to stop the zombies. You must cooperate with your friends in order to solve the puzzles and eliminate enemies. Player 1 uses the arrow keys to move and L to shoot, U to switch weapons. Player 2 uses W, A, S, D to move and F to shoot, Q to switch weapons.