The best way to describe Left 4 Dead is:

Serious Sam

+

28 Days/Weeks Later

+

Hunter: The Reckoning

=

Left 4 Dead

Even though the demo was only two stages, Georo and I played it for 3 hours straight. Man it is so fun, especially if you have voice chat. "OHHHH SHITT OH SHITT FUCKING HELP MEE!!! HOLY CRAP SHOOT THAT CRAP!!!!! WTF!! RUSHHHH HEALLL MEEEE!!!111!!!1!". Intense. We just kept playing the stages over and over on varying difficulties.

There’s a lot of replay value because each time you play, the zombies are never in the same place. Instead of static spawn points, the AI in Left 4 Dead is controlled by "the Director" who dynamically places enemies and items based on the players’ situation. Each time you play, the stage is completely different.

They stress the CO-OP. Shit, if you wandered off, you will probably get owned by hordes of  infected or one of the specialty type infected. There are a bunch of them with all different abilities. You really need to work together and be in the same room playing or have voice chat so you can scream profanities at each other. Fun factor increases tenfold.

You guys need to download this crap and play with us. And when it comes out you guys need to buy this crap and play with us. All your base are belong to us.