What do these cheats do?

#1sconekillerPosted 2/1/2011 7:03:49 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?
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Baruk Khazad! Khazad aimenu!