OPERATION:BLACK MESA + Guard Duty ( Opposing Force + Blue Shift remake ! )

[GruntGR]

Steam Greenlight :: Operation Black Mesa

Operation: Black Mesa (Opposing Force: Source) mod for Half-Life 2 - Mod DB

Guard Duty (Blue Shift: Source) mod for Half-Life 2 - Mod DB

https://twitter.com/GuardDuty

ΠΡΟΣΕΧΩΣ :

Νεο trailer για το OBM + greenlight link για το guard duty

[GruntGR]

2014 Kickoff Update

multiplayer beta cancelled