A

• [+] Antlions (1)

B

• [+] Bosses

C

• [+] Combine Units (5)
• [+] Cut enemies (1)

H

• [+] HECU classes
• [+] Headcrabs (2)

R

• [+] Race X (3)

S

• [+] Synths (2)

V

• [+] Vortigaunts (1)

X

• [+] Xen creatures (4)

A

• Advisor Pod
• Alien Aircraft
• Alien Assassin
• Alien Combine Soldier
• Alien Fauna
• Alien Grunt
• Antlion Grub
• Antlion Guard
• Antlion Guardian
• Antlion King
• Antlion Soldier
• Antlion Worker
• Aperture Science Sentry Turret
• Archer

B

• Barnacle
• Black Ops
• Wallace Breen
• Bullsquid

C

• Charger (Xen creature)
• City Scanner
• Civil Protection
• Combine
• Combine Advisor
• Combine Assassin
• Combine Dropship
• Combine Guard
• Combine Gunship
• Combine Super Soldier
• Combine Synth Elite Soldier
• Combot
• Conscripts

C cont.

• The Consul
• Crab Synth
• Cremator

F

• Fast Headcrab
• Fast Zombie
• Flocking Floater

G

• GLaDOS
• Gargantua
• Gene Worm
• Gonarch
• Gonome

H

• HECU Engineer
• HECU Medic
• HECU Sniper
• Hazardous Environment Combat Unit
• Headcrab
• Houndeye
• Human Sergeant
• Hunter
• Hydra

I

• Ichthyosaur

K

• Kingpin

L

• Leech

M

• Mortar Synth
• Helena Mossman
• Judith Mossman
• Mr. Friendly

N

• Nihilanth

O

• Overwatch Elite
• Overwatch Sniper
• Overwatch Soldier

P

• Panther Eye
• Particle Storm
• Pit Drone
• Pit Worm
• Poison Headcrab
• Poison Zombie

R

• Robot Grunt

S

• Sacktick
• Sand Barnacle
• Shield Scanner
• Shock Trooper
• Snapbug
• Snark
• Stalker
• Stampeder
• Standard Headcrab
• Standard Zombie
• Strider
• Stukabat
• Synth

T

• Template:Enemy Infobox
• Tentacle
• Tripod Hopper

U

• Unidentified cut Synth

V

• Voltigore
• Vortigaunt

W

• Wasteland Scanner
• Wheatley

Z

• Zombie
• Zombine