An evil Demon has released hungry Zombies to steal your Christmas presents. What the hell!! You can't let this happen dude. Those are your presents, so protect them! Destroy all Zombies by throwing snowballs at them. Later, you can use better weapons. Kill all of them!rnrnPress 1 - primary gunrn2 - secondary gunrn3 - bombsrn4 - help call rn5 - bonus gunrnQ key - switch weaponrnR - reloadrnCTRL - night visionrnSpace bar - zoom if the weapon has sniper.