12 Alien Grunts vs 12 Security Guards - Even Numbers - Half-Life Retro Battles
12 Security Guards vs 12 Grunts - Even Numbers - Half-Life Retro Battles
12 Security Guards vs 12 Assassins - Even Numbers - Half-Life Retro Battles
12 Alien Grunts vs 12 HECU Grunts - Even Numbers - Half-Life Retro Battles
24 Vortigaunts vs 12 Security Guards - Half-Life Retro Battles
12 Alien Grunts vs 12 Otis - Even Numbers - Half-Life: Opposing Force Retro Battles
12 Alien Grunts vs 12 Assassins - Even Numbers - Half-Life Retro Battles
12 Security Guards vs 12 Automatic Turrets - Even Numbers - Half-Life Retro Battles
24 Alien Controllers vs 12 Grunts - Half-Life Retro Battles
36 Houndeyes vs 12 Security Guards - Half-Life Retro Battles
24 Alien Controllers vs 12 Otis - Half-Life: Opposing Force Retro Battles
Alien is Guard
24 Alien Controllers vs 12 Automatic Turrets - Half-Life Retro Battles
6 Ichthyosaurs vs 12 Security Guards - Half-Life Retro Battles
Guy underestimates Alien Grunt | Black Mesa (Volume Warning)
24 Vortigaunts vs 12 Automatic Turrets - Half-Life Retro Battles
6 Otis vs 12 HL1 Grunts - Half-Life: Opposing Force Retro Battles
Black Mesa Working Helmets on Marines and alien grunts
Security Guard who survived AR Grenade blast (Black Mesa Clip)
24 Vortigaunts vs 12 Grunts - Half-Life Retro Battles
