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Capture The Flag
HairBall is a multiplayer map in Half-Life: Opposing Force. It was added in the Opposing Force CTF update.
- “About once every 75 years, the temperature in the peaks over the Black Mesa facility drops to below freezing. A battle rages between the military and civilians. Supplies run low, and two smaller sorties are are cut off from the main conflict and find themselves in a small scale intense battle for control of the supply bunkers.”
- — Opposing Force CTF Description
Behind the scenes
- Opposing Force CTF credits (