When Gordon Freeman is fed up of being surveilled by G-man.

G-man voice dialogue source: Garry’s mod addons seen in this video: 1. Mighty foot engaged 2. [PF] hl2 3. Zippy’s Active Ragdolls 4. ReAgdoll 5. Enhanced Blood Splatter System 6. Zippy’s Gore Mod 7. First-Person Body 8. Viewpunch Viewbob 9. [H-BBO] Health-Based Blood Overlays 10. vFire - Dynamic Fire for Garry’s Mod 11. [ARC9] Gunsmith Reloaded 12. Physical/Physicsize Tool