npc_create npc_turret_floor - spawns a turret from half life
npc_create npc_alyx - spawns Alyx from half life
npc_create npc_breen - spawns Breen from half life
npc_create npc_gman - spawns G-Man from half life
npc_create npc_combine_s - spawns a combine from half life
npc_create npc_metropolice - spawns a metropolice from half life
npc_create npc_citizen - spawns a citizen from half life
npc_create npc_zombie - spawns a zombie from half life
npc_create npc_fastzombie - spawns a fast zombie from half life
npc_create npc_barnacle - spawns a barnacle from half life
npc_create npc_headcrab - spawns a head crab from half life
npc_create npc_poisonzombie - spawns a poison zombie from half life
npc_create npc_headcrab_fast - spawns a fast head crab from half life
npc_create npc_poisonheadcrab - spawns a poison head crab from half life
ch_createjeep - spawns a buggy from half life
ch_createairboat - spawns an air boat from half life