Half-Life 2: 20th Anniversary Documentary
- ປີ: 2024
- ປະເທດ: United States of America
- ປະເພດ: Documentary
- ສະຕູດິໂອ: Valve, Secret Tape
- ຄຳ ສຳ ຄັນ: games, game developer, social & cultural documentary
- ຜູ້ ອຳ ນວຍການ: Danny O'Dwyer
- ຫລໍ່: Gabe Newell, Viktor Antonov, Dave Riller
