From above link:
Left 4 Dead
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Available: November 18th, 2008
This game will unlock in approximately 1 month, 5 days and 9 hours
$49.99 $44.99
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About the Game
New from Valve creators of Counter-Strike, Half-Life and more Left 4 Dead is a new game for the PC and Xbox 360 that casts up to four "Survivors" in an epic struggle against hordes of swarming zombies and terrifying "Boss Infected" mutants.
Set in the immediate aftermath of the long-awaited zombie apocalypse, L4D's survival co-op game mode is played out across four sprawling "Movies" set in a variety of urban and rural environments. Each "Movie" has an over-riding team objective, is comprised of five large maps, and may be played by 1 to 4 human players.
New technology dubbed "the AI Director" is used to procedurally generate a unique experience each time the game is played. Just as in Hollywood films, the Director calls for new monsters, sounds, and action as it tailors the gameplay experience based upon the team's performance.
Due for a worldwide release on PC and Xbox 360 this November, Left 4 Dead also includes new multiplayer modes.
* Addictive co-op action gameplay from the makers of Counter-Strike and Half-Life
* Advanced artificial intelligence drives both friendly and unfriendly creatures to dynamically create intense single-player, co-op, and multiplayer experiences every time the game is played
* 20 new maps. 10 new weapons. Four sprawling "Movies"
* Match making, stats, rankings, and awards system drive collaborative play
* Designer's Commentary mode allows gamers to go "behind the scenes" of the game
* Powered by Source and Steam
Did the 8 player multi get canned?
edit: oh...the way it says "1-4 human players" really jumped out at me. It says coop and multi farther down.