List of Opposing Force maps
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This is a list of all Half-Life: Opposing Force maps
Singleplayer maps
Incoming
- of0a0
Welcome To Black Mesa
- of1a1
- of1a2
- of1a3
- of1a4
- of1a4b
We Are Pulling Out
- of1a5
- of1a5b
- of1a6
Missing In Action
- of2a1
- of2a1b
- of2a2
- of2a3
Friendly Fire
- of2a4
- of2a5
- of2a5b
We Are Not Alone
- of3a1
- of3a1b
- of3a2
- of3a3
Crush Depth
- of3a4
- of3a5
- of3a6
Vicarious Reality
- of4a1
- of4a2
- of4a3
Pit Worm's Nest
- of4a4
- of4a5
Foxtrot Uniform
- of5a1
- of5a2
- of5a3
- of5a4
The Package
- of6a1
- of6a2
- of6a3
- of6a4
Worlds Collide
- of6a4b
- of6a5
Conclusion
- of7a0
Boot Camp maps
- ofboot0
- ofboot1
- ofboot2
- ofboot3
- ofboot4