Postal 2 is the much improved sequel to the original RWS murder simulator. Unlike the first, which features utterly mindless mayhem, this game has a plot. The Postal Dude, you, goes about doing various banal tasks for his harpy of a wife over the span of a week as his town goes insane around him. These include returning library books, picking up milk, going to the bank, etc. You can choose to do these tasks as written, which involves a lot of standing in line, or you can get creative: robbing the bank, torching the convenience store (full of ululating arabs of course), etc. To help you have a broad range of weapons, some of which are quite well done, from pistols to napalm rockets to "biological weapons" (a diseased cow's head). RWC made the fatuous claim when this game came out that you could get through it without killing anyone. This is simply untrue, as you'll run into numerous enemies that want to destroy you. These are generally based on ridiculous stereotypes that uninformed bro-magnon white guys like to rail on: left-wing protestors, arab terrorists, rapist hillbillies, etc.
Unlike the original, this game features some humor which is actually funny, and has a sandbox feel that rewards exploration with handy tidbits. The game items are fantastic, featuring a crack pipe, or health pipe as the game euphemistically calls it, doggy treats which gives you a companion, and my favorite a tin of catnip that, when smoked, puts you into bullet time with the phrase, "OH YEAH, I am the lizard king!" You'll find yourself chuckling when, for instance you'll start a fire, going into a building and come out a few minutes later to see the utter havoc your actions have caused: burned corpses, exploded cars, police firing at random bystanders, so on.
That being said the game suffers from crucial flaws. It is built on the Unreal Engine, and thus, has agonizing load times in between sections of town. This is made all the worse by the fact that many of the objectives of any given day are on opposite sides of the city, and require a lot of traveling. The weapons, for all their creativity tend to be ridiculously over-powered or useless, and you'll often find yourself just switching back to the pistol when you've run out of rockets. Much of the games humor was topical for its time and is now utterly dated: does anyone find references to the 2000 Florida elections humorous anymore?
Even so, Postal 2 makes for a fine time-waster. If you've always wanted to see what the hype was about but your mom would never lend you the money for it, pick Postal 2 up. It's a far better buy than it's predecessor.