rar -? l Xtrem.rar
: Find your Black Ops installation folder (usually found under SteamLibrary \steamapps\common\Call of Duty Black Ops ). B.ops.z.mode Xtrem.rar --l
Launch the game, select "Mods" from the main menu, and activate the "Xtrem" entry. Method 2: Manual Directory Replacement For older Steam-based installations: select "Mods" from the main menu