24 Vortigaunts vs 12 Security Guards - Half-Life Retro Battles
24 Vortigaunts vs 12 Grunts - Half-Life Retro Battles
12 Security Guards vs 12 Assassins - Even Numbers - Half-Life Retro Battles
12 Alien Grunts vs 12 Security Guards - Even Numbers - Half-Life Retro Battles
24 Vortigaunts vs 12 Automatic Turrets - Half-Life Retro Battles
12 Security Guards vs 12 Grunts - Even Numbers - Half-Life Retro Battles
6 Ichthyosaurs vs 12 Security Guards - Half-Life Retro Battles
12 Security Guards vs 12 Automatic Turrets - Even Numbers - Half-Life Retro Battles
36 Houndeyes vs 12 Security Guards - Half-Life Retro Battles
24 Vortigaunts vs 10 Assassins - Half-Life Retro Battles
24 Zombies vs 12 Grunts - Half-Life Retro Battles
The Scientists are turning against the Security Guards (Half-Life)
Black Mesa Source: Questionable Ethics, Hard
12 Alien Grunts vs 12 HECU Grunts - Even Numbers - Half-Life Retro Battles
24 Alien Controllers vs 12 Grunts - Half-Life Retro Battles
12 Otis vs 12 Assassins - Half-Life: Opposing Force Retro Battles
Houndeye [HL SFX]
100 Zombies vs 10 Assassins - Half-Life Retro Battles
Half-Life: Source - Companion Civilians (and Security Guards)
36 Houndeyes vs 12 Automatic Turrets - Half-Life Retro Battles
![Houndeye [HL SFX]](https://img.youtube.com/vi/MQYjkTIeZL4/0.jpg)
