Klingon Honour guard
Press TAB once, then type in one of the following...
allammo All ammunition
behindview 1 External view
behindview 0 Normal view
flush Reset bad textures on walls or creatures
fly Fly mode
ghost No clipping mode
god God mode
hideactors Hide all monsters, weapons, and items
showactors Show all monsters, weapons, and items
invisible0 Disable invisibility
invisible1 Invisibility
killall Kill selected monsters
killpawns Kill all monsters
open Level select
playersonly Disable timer
slomo <number> Set game speed (1 is normal)
summon <item> Summon weapon, item, or monster
suicide Suicide
walk Walk mode; resets no clipping and flight modes
After calling up the game console with the tilde key (~), type:

summon klingons.<item>

where <item> can be:

Daktagh (weapon 1)
Disruptorpistol (weapon 2)
Disruptorrifle (weapon 3)
Assaultdisruptor (weapon 4)
Spinclaw (weapon 5)
Grenadelauncher (weapon 6)
Rocketlauncher (weapon 7)
Sithhar (weapon 8)
Particlecannon (weapon 9)
Batleth (weapon 10)
Cipherkey
Genetickey
Palmkey
Passcardkey
Retinalkey
Combatarmor
Combatgoggles
Communicator
Gagh
Tricorder
Vacsuit

This is only a partial list of the items that can be summoned in the game.