Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.
Half-Life: Blue Shift port. Just copy bshift folder to folder where is 'valve' located.
Changes in v1.1(Reuploaded on 25.02.2018, previous .apk is buggy):
Changes in v1.0:
AlliedModders, Solokiller, Lev Shisterov, YaLTeR, FreeSlave, Unkle Mike and Tyler Lund for many public bugfixes for Half-Life SDK.
Unkle Mike for recreated mod sources.