"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.
Contains, Half Life FGD, HL Blue Shift FGD, HL Opposing Force FGD, Team Fortress Classic FGD, Ricochet FGD, Deathmatch Classic FGD, Day of Defeat FGD...
This is a small Opposing Force Coop v2.0 patch for ONLY those who run Won servers. You install this right after you ran the Opposing Force Coop v2.0 installer...
Second version of Opposing Force Coop, contains new features and changes.
This is the latest and only version so far of "Opposing Force Coop".