Play Half-Life with friends! Players fight computer-controlled monsters through the original Half-Life storyline or hundreds of available co-operative scenarios. Also includes a plethora of new weapons, enemies, visuals and gameplay systems. Customization features allow each map to use its own unique weapons and enemies.
Original skins (and sounds) for SC 5.0. Revolver reload sync is fixed. Supposedly only the svencoop_addon files are necessary. Report any missing files. All content credits to Valve Entertainment and the SC devs. This addon is now not necessary since of SC build 1760220