Half-Life 2: 20th Anniversary Documentary
- Jaro: 2024
- Lando: United States of America
- Ĝenro: Documentary
- Studio: Secret Tape
- Ŝlosilvorto: video game, behind the scenes, steam, half-life, valve
- Direktoro: Danny O'Dwyer
- Rolantaro: Gabe Newell, David Riller, Viktor Antonov, Robin Walker, Bill Fletcher, Marc Laidlaw
