but type in sk_ and type in your enemy.. zombie etc.
instead of putting them on 0, put them all on 90
put their health on 200 or 400 depending on thier size.
THEN.,,
type in npc_create npc_antlion (if you want an antlion)
or give npc_antlionguard (if you want an antlionguard)
(try different enemys)
then type..