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.
Changes the color of the text highlight from orange to blue. Applies to all text in game (chapter titles, tram ride messages, game over messages, hazard course messages, game saved text).