I don't see any weapon on the bottom-right of the screen, so I don't think it's hl2.
Looked more like the coast section to me.
This question came into my mind yesterday, when I caught the smell of burning wires in my room. Turns out, my power supply's fan was jammed by my pen's ink cartridge (Don't ask why)
I thought this was The Onion for a second xD
I don't see any weapon on the bottom-right of the screen, so I don't think it's hl2.
Looked more like the coast section to me.