"Half-Life: Opposing Force Coop" allows you to experience the epic Opposing Force story and environment with your friends, or with players around the world. Half-Life and Half-Life: Opposing Force on either WON or Steam is required to play. You must also either have an LAN or internet connection.

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WOW! so great MOD for OP!!!
Мне понравилась графа !
Единственный удачный мод

Nice "mod" to play opposing force in coop with the original game. Works very well.

FUN!

FAKE SVEN COOP MY FAV

I WORK ALONE

._.

Boring as **** because it lags like hell and the other players can get in the way

10

PMDLEADERSHINX says

9

DreamsOnFola says

10

Diego63212 says

Community Rating

Average

8.5

60 votes submitted.

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