- Development Gag: Matias says that the night in which this movie takes place is "game night," which was the original working title for this movie.
- Disabled Character, Disabled Actor: Amaya, who's deaf, was played by Stephanie Nogueras, who really is deaf.
- Dueling Movies: With Searching, another movie that uses "computer screen" gimmick. Both are also produced by Timur Bekmambetov.
- Working Title: As mentioned, Unfriended: Game Night.
Trivia / Unfriended: Dark Web