Half-Life: Blue Shift - Duty Calls

Barney Calhoun regains consciousness at the bottom of the elevator shaft to the sight of a houndeye eating the body of a fellow security guard. The two scientists in the elevator are dead, and so Calhoun sets off through the industrial waste areas of Black Mesa to try to find help. SPOILER ALERT: This video may spoil you. Please buy and play the game, be patient and ONLY IF you don't succeed the current level watch this video.
- to play!