Opposing Force (100%) Walkthrough (Chapter 5: Friendly Fire)
1,451Adrian Shephard and his comrades attempt to find and use an old transit system to escape to the Lambda Core, after battling through an office complex filled with Vortigaunts. It is also the chapter in which the Black Ops are first introduced. Shephard comes across them in a hangar where they are loading something into the back of a truck. This is where the player learns that the Black Ops have been sent to kill the remaining Marines and cover up the Black Mesa incident. Shephard meets up with several other surviving Marines and fights the Black Ops, eventually reaching an underground railway system that leads to the Lambda Complex.
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Currently, BigMacDavis has 4,368,753 views for Half-Life across 23 videos. The game makes up 8 hours of published video on his channel, making up less than 0.97% of the total overall content for Half-Life on BigMacDavis's YouTube channel.