Half Life 2

# firstperson - Play in first person
# give env_steam -
# give item_healthkit - Spawn a health kit
# give item_healthvial - Spawn a health vile
# give npc_alyx - Spawn NPC Alyx
# give npc_barney - Spawn NPC Barney
# give npc_citizen - Spawn NPC Citizen
# give npc_kliener - Spawn NPC Kliener
# give weapon_frag - Spawn a grenade
# give weapon_pistol - Spawn a pistol
# give weapon_rpg - Spawn an RPG
# give weapon_shotgun - Spawn a shotgun
# thirdperson - Play in third person