Half-Life (series)/Trivia
- There is an arcade game based off of Half-Life 2, co-developed by Valve and Taito. It's Japan-exclusive as well as the only Half-Life game Japan ever got. No, nothing else from Valve counts.
- Fan Nickname: The Vortigaunt who accompanies you through parts of Episode Two has no official name. Naturally, he was nicknamed Cecil.
- Hey, It's That Voice!:
- Ellen McLain (GLaDOS, the announcer) voices the Overwatch.
- Jim French (William 'Bill' Overbeck) voices Father Grigori.
- Michelle Forbes (Admiral Cain, Ensign Ro) voices Judith Mossman.
- Robert Guillaume (Rafiki, Benson) voices Eli Vance.
- Robert Culp (The Greatest American Hero) is Dr. Wallace Breen.
- Trope Namers:
- Black Mesa Commute
- Lighthouse Point
- No OSHA Compliance
- Right Man in The Wrong Place
- Stand Back Hello (former name of Simultaneous Warning and Action)
- Xen Syndrome (former name of Disappointing Last Level)