
Video Review - Watch or download the video here (HD available). This is a game that comes to life when you play with at least one other human player, and it's even better if there are four humans in each game. Bots lack the dynamic play, the interaction and the interplay, and the social aspect of co-op play. Sure, there is a single-player mode that lets you play through the game with bots, but that feels like practice. Valve has moved against convention and delivered a game that is built almost entirely around cooperative multiplayer action.

However, Left 4 Dead is also a completely different kind of game, and it feels as much of an experiment as it does an amazing gameplay experience.
