Expect the Team Fortress 2 bots to beat the crap out of any bots available. Wait till you see these suckers. They learn from their mistakes, and as you play they become smarter and smarter. I'm scared, mommy. Probably as satisfying as eating French-fries with mayonnaise.
Every class has some sort of lower class gun, i.e., a pistol, or smaller secondary gun.
The weapons have recoil, range, and accuracy levels, while most do locational damage. Certain guns will not have the range to be sniped with, ala a pistol. Others will not be accurate when fired while moving. Fixed Gun Emplacements - everyone built by engineer. Valve is creating much more easier to use gun emplacements, which will help in the areas where you need to control territory.