Here they are:
Weapons
258 cellphone (Disappears when picked up, but looks nice)
259 brassknuckle
260 screwdriver
261 golfclub
262 nitestick
263 knife
264 bat
265 hammer
266 cleaver
267 machete
268 katana
269 chainsaw
270 grenade
271 teargas (VERY laggy and hasn't proved to kill anything)
272 molotov
273 missile (Useless running punch ANIM with rocket in hand)
274 colt45
275 python
276 ruger
277 shotgun
278 spaz (Please, don't use this)
279 stubby
280 m4
281 tec9
282 uzi
283 ingram
284 mp5
285 sniper rifle (Doesn't work, even if you get the scope view to work)
286 laser rifle (Same as above)
287 rocket launcher (Also same as above, except if you hit near you still get hurt, only you see the rockets)
288 flamethrower
289 M60
290 Minigun (Not recommended for ANY "Secret Admin Area")
291 bomb (Not C4 from CS)
292 camera (Might work)
293 fingers (?? I think its a small floating white box)
294 minigun2 (Also known as helicannon, think its just the barrel of the minigun)
Useful Stuff
366 health
367 adrenaline (Not what you think, it makes only your game slowed down, you are a easy target, useful for locking up certain areas like jail cells, if they run you can shoot them down easy)
368 body armor
Fun things and other user submitted stuff that might be of some use
375 bribe
337 money
365 info
336 fire hydrant
369 buoy (for marking off limits water areas)
380 Exploding Barrel (Can't be shot D:)
409 clothes icon
383 kill frenzy (Rampage icon)
408 bigdoller (Protection money icon?)
410 package1
508 keycard (The answer to ultramegaserver's madness, used to bust Cam)
510 pizzabox (So I don't die because I smoked weed)
526 keepy uppy ball
536 shark
582 dynamite
514 tar_civ1 (Not shootable)
391 billbd1 (Large billboard to mark areas, hard to miss.)
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See:
http://forum.vicecitymultiplayer.com/index.php?topic=194.0Try search the forum before u post