What do these cheats do?

#1sconekillerPosted 2/1/2011 8:03:49 PM
nailgun, gravity and bomb were easy to figure out, and quite a bit of fun! but i can't see any difference in megaforce or lethal charge. anyone with experience know what effect they are supposed to have? also, did anyone ever find an "all weapons available" cheat?
Baruk Khazad! Khazad aimenu!