Access the console, type in "npc_create npc_<name>" and replace the name with one of these:
Code:
Result:
barnacle
Spawns a barnacle.
turret_ceiling
Spawns a Ceiling Turret.
citizen
Spawns a City 17 Citizen.
combinedropship
Spawns a Combine Dropship
helicopter
Spawns a Combine Helicopter
metropolice
Spawns a Combine Metrocop
cscanner
Spawns a Combine Scanner.
combine_s
Spawns a Combine Soldier.
crabsynth
Spawns a Crab Synth
crow
Spawns a Crow
headcrab_fast
Spawns a Fast Headcrab
fastzombie
Spawns a Fast Zombie.
turret_floor
Spawns a Floor Turret.
launcher
Spawns a Headcrab Launcher
headcrab
Spawns a Headcrab.
ichthyosaur
Spawns a Ichthyosaur.
manhack
Spawns a Manhack
mortarsynth
Spawns a Mortar Synth
pigeon
Spawns a Pigeon.
headcrab_poison
Spawns a Poison Headcrab
headcrab_black
Spawns a Poison Headcrab
poisonzombie
Spawns a Poison Zombie.
rollermine
Spawns a Rollermine.
seagull
Spawns a Seagull
stalker
Spawns a Stalker.
strider
Spawns a Strider.
vortigaunt
Spawns a Vortigaunt.
zombie_torso
Spawns a Zombie without legs.
zombie
Spawns a Zombie.
zombine
Spawns a Zombine (Combine Zombie)
alyx
Spawns Alyx.
antlionguard
Spawns an Antlion Guard.
antlion
Spawns an Antlion.
barney
Spawns Barney.
breen
Spawns Breen.
combinegunship
Spawns Combine Gunship
dog
Spawns Dog.
eli
Spawns Eli
monk
Spawns Father Gregori
gman
Spawns Gman
kleiner
Spawns Kleiner
mossman
Spawns Mossman
Normal Achievements
Complete the indicated task to unlock the corresponding achievement.
Acid Reflex: Kill an acid Antlion worker.
Bone Breaker: Kill 30 enemies with thrown physics objects.
Cache Checker: Find every radar cache in chapter Under the Radar.
Deadly Harvest: Kill an enemy by planting a hopper mine.
Defense of the Armament: Save the missile silo from the Combine offensive.
Get Some Grub: Squish every Antlion grub in Episode Two.
Gordon Propelled Rocket: Unlock the rocket launcher lambda cache in chapter Under the Radar.
Grave Robber: Steal a Zombine's grenade.
Gunishment!: Destroy the Combine cannon in the junkyard.
Hit and Run: Run over 20 enemies with the car in Episode Two.
Hot Potat0wned: Kill a Combine soldier with his own grenade.
Into the Breach: Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft.
Little Rocket Man: Send the garden gnome into space.
Meet the Hunters: Survive the Hunter ambush with Alyx.
Neighborhood Watch: Save all buildings outside the missile silo from destruction.
Payback: Kill a Hunter with its own flechettes.
Pedal to the Metal: Beat DOG in a race to the White Forest base.
Piņata Party: Find and break every web cache in Episode Two.
Puttin' on a Clinic: Defeat the chopper in Episode Two without any misses.
Quiet Mountain Getaway: Survive the ambush at White Forest Inn.
Secondary Silo Secured: Secure the launch doors on missile silo 2.
Twofer: Defeat both Antlion guards outside the White Forest.
Hidden pumpkins
Set the system date to October 31. After you are ambushed by Hunters and Combine at a big house, drive along the road. Near where the supply cache is found you will see an old truck. Go up to it. There will be lots of pumpkins lying on the ground.
Binding cheats to keys
Display the console window and type sv_cheats 1 to enable cheat mode. Then, type bind followed by a space and the key you wish to bind the code to. Finally, type another space followed by the code. For example, enter bind f12 notarget or bind p ai_disable.
See more:
Half-Life 2: Episode Two Video Game Console Items...
