Call of Duty: World at War Message Board  

This doesn't necessarily mean it'll work online in multiplayer (like actual servers) but it does work in Zombies online (Co-Op) if your the host. Just simply input the following into your console by hitting the ~ (tilde) key and enter '/sf_use_ignoreammo 1'. Then you should have unlimited ammo without reload. Similar to what the trainer does, but this works in co-operative zombies. Have fun.

Also, for an extra bit of fun... or well ease, do the death card glitch and enable the "Painkiller" card so you can shoot your infinite amount of ammo at your buddies to revive them.

NOTE: This does not effect the flamethrower whatsoever because the flamethrower doesn't use an ammo system that everything else does. So do not get your hopes up for endless fire. On the other hand, it DOES affect grenades/molotovs.

[Edited by Protocal, 6/15/2009 7:37:25 PM]

There's also:

/g_gravity 1

[Edited by Hunter48, 7/26/2009 8:08:33 PM]

tankz 4 the info....