The resonance cascade had occurred in Black Mesa. The entire facility was in ruins and amuck with aliens. You came across a few personnel when you were walking.

Gordon: Hey! Guys, don’t kill him

Coomer: Gordon, I can assist you for 1 PlayCoin(TM).

Tommy: Mr. Freeman, I’m scared

Bubby: Are you the soda supplier?

Benrey: Can I see your passport?