Half-Life: Blue Shift

About Half-Life: Blue Shift

Half-Life: Blue Shift is an expansion pack for Valve Software's science fiction first-person shooter video game Half-Life. The game was developed by Gearbox Software with Valve Corporation and published by Sierra Entertainment on June 12, 2001.

Gearbox Software's Half-Life: Blue Shift is a platform, puzzle, and shooter game, published by Sierra Studios and Valve.

It arrived in June 2001 and is playable on Linux, PC (Microsoft Windows), and Mac.