I don't really like L4D very much. It's a sort of slick package for what it is, but to be honest, a more polished version of Sven Coop would have been a much better game.
Other than his incessant Chrono Trigger hate*, I have to agree with Brentai. The game doesn't strike me as anything better than a free mod. Yes it has way more polish than one of those would have, but in terms of the actual lasting value of the gameplay and overall concept of the game itself, the game is really gutless. I mean, it's basically about as deep as
The Hidden with 2 more modes.
If the campaign mode had some sort of actual progression to it or if the overall game itself just had ANY additional game play mechanics to it other than
shoot everything all of the time, I would feel a lot better about my purchase of the game. But as it stands, if I could ask for my money back, I would. The teamwork aspect of the game is cool and very well thought out but it doesn't magically make it an engaging game, it just makes it a game that isn't very good and is even less good if you aren't playing with people that you know over ventrilo.
L4D LOOKS really great in terms of its lighting and character animations but it really needed to have more gameplay aspects to it like more clever foraging for supplies aspects or barricading of buildings and construction of barriers, just something to spice it up. Bill, Zoey, Louis, Frankie, Hoodie, Smokey, Fatty, Hulky, Bitchy, I love you all, but your game gets very repetitive very quickly and it's just not worth 40+ bucks, I'm sorry.
*Brent, would you stop going on about how 10+ years after the fact, you played the apex of 16-bit era JRPGs, a genre that anyone with half a brain now realizes was way shittier than we realized at the time, and acting like because you're unimpressed by it you're too cool for school or something? Yeah, guess what, Street Fighter 2 doesn't impress me one bit either because I didn't play it when it was new and original. OOoooooh!