The Zombie Plague is a modification of the Counter-Strike where the humans must kill all the zombies to avoid a massive infection on the world. When a round starts, a player is changed into a zombie and he must to infect the humans. The humans must kill the zombie before he infects their teammates. The maps are shrouded totally in darkness and the humans only get a flashlight to see. Zombies, however, get nightvision. The game can be played only on Internet.