These are the Half Life Opposing Force maps that have been downloaded the most. Half Life Opposing Force is a Action game for PC. We have reset our counter from 2024-12-23 and these maps have been downloaded since then.
Half Life Opposing Force is a pretty popular game for the PC and new maps are always good for it. You can even upload your Half Life Opposing Force maps on LoneBullet and become a part of the community. The below maps are sorted by number of downloads this current week: