Better than L4D
For a game based on a fairly old engine, this looks fantastic. The visual style really serves to accentuate the atmosphere of the game, and you don't really notice the outdated textures unless you're really looking for it. The action is very fast paced, the classes feel fairly well balanced, and there's a nice assortment of weapons. My only real complaint about this game is the multiplayer server browser. As far as I can tell, there isn't a "history" button, so if you don't add a server to your Favorites, you're not going to find it again. Also, the filters need to be better setup. There's about five or six different difficulties, and if you want to filter by that, you have to pick one. You can't filter servers by "Normal or easier" or "Suicide and harder." Also, when you connect to a server, you're not told until you finally hit spectator mode how far along in the round they are. It doesn't matter if you're joining in at round 2 or 3, but after finally finding a server, downloading whatever custom stuff they happen to be running, and selecting your class, it sucks to find out you've joined a game in wave 9/10 and you don't have anything better than a pistol and $250. If they could sort that out, it'd be damn near perfect. As it is, once you've got a good group of people going, and you're all on the same page, it's an unbeatable experience. Considering Steam has this game on sale all the time, you would do well to pick up a copy.