Half-Life: Blue Shift is Untested on macOS
Half-Life: Blue Shift has not yet been tested on macOS.
About Half-Life: Blue Shift
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.
macOS Game Tests
Half-Life: Blue Shift tested on macOS.
Half-Life: Blue Shift was released natively on macOS, though it may not run on newer versions of macOS.
Half-Life: Blue Shift hasn't been tested yet on macOS.