Left 4 Dead

Left 4 Dead is to be the Co-op game like Counter Strike for Team Combat. Left 4 Dead is a survival zombie/horror game. The world is over run by zombies and 4 human survivors are left to escape from the Zombie masses. Left 4 Dead is designed to be played as a co-op game, meaning that 4 human players at the same time. In the game, players can lend artillary support, share ammo, and rescue players while they are being attacked by zombies. 4 players can also play as zombies among the mass of zombies and players may also get the chance to play as the Zombie “bosses”, which have special powers.

This game was designed first and foremost to be a multiplayer game. Most games are designed for 1 player, and then rushed to add in multiplayer at the end of development. That’s why the multiplayer in Left 4 Dead is so good.
http://woodio.net