Half-Life 2: 20th Anniversary Documentary
- Bliadhna: 2024
- Dùthaich: United States of America
- Seòrsa: Documentary
- Stiùidio: Valve, Secret Tape
- Faclan-luirg: games, game developer, social & cultural documentary
- Stiùiriche: Danny O'Dwyer
- Cast: Gabe Newell, Viktor Antonov, Dave Riller
