Fragging awesome!
The fist( kinda funny).
Chainsaw(replaces the fist, but you can toggle between the fist and the chainsaw using the "1" key)This weapon was also chosen as the #9 video game weapon of all time by GameTrailers.
Pistol( a very weak weapon you always start with).
Shotgun( an excellent weapon for clearing small rooms of enemies of ,well, enemies(duh).
Combat Shotgun ( a double barreled shotgun thats stronger that the normal one. Replaces the normal shotgun when acquired, but you can toggle between them using the "3" key)
Chaingun (weak, but amazing rate of fire will get you searching for it)
Rocket Launcher (A launcher. Of rockets. Very strong. Can kill you if you fire close to a wall(splash damage). This can also clear a large group of enemies.)
Plasma Gun ( a gun that shoots plasma at enemies. Much like the chaingun, only stronger.)
Lastly, the BFG 9000!!!!! (BFG stands for the Big Fragging Gun. It fires a large, green ball of plasma that can kill almost any non-boss enemy in one shot. If the plasma ball doesn't kill it, the 40 invisible rays it emits will. It was voted the #3 video game weapon of all time by GameTrailers. It originally stood for the "Billion Fireball Gun" because it literally fired almost a billion plasma balls, but the idea was trashed due to the fact that so many separate things were on the screen and greatly slowed computers down and made older computers freeze. So... I'm Bob.....NOT!!
I hope that with my review you will order Doom from idsoftware.com It only costs about 25 US bucks there so it is at a reasonable price. I greatly recommend it :and remember kids, check under your bed every night to make sure that an imp is not hidden there waiting for you to go to sleep to it can kill you!!!