Obsidian Conflict is a cooperative modification created for Half-Life 2. It is a community based mod with focus on fun, cooperative, and physics-related puzzles. The mod has an open story, but is still set in the Half-Life 2 universe.

..

Имя файла / Описание Скачиваний Дата Размер
	ObsidianBeta1.22Full.exe 2327 / 226 13/01/2007 191.64 Mb
	ObsidianBeta1.23Patch.exe 1795 / 116 13/01/2007 5.64 Mb
	OC-Beta1.34_Full.exe 2175 / 120 13/09/2009 385.73 Mb