After the death of five Polish teenagers, killed by fire in a real-life tragedy which occurred within an escape room in Poland, the release date of the film was pushed back a few months in a number of countries out of respect for the girls who died.
The 4th film relating to escape rooms released within 2 years, after Escape Room (2017), Escape Room (2017) and No Escape Room (2018).
Amanda Harper's address on her driver's license is 5063 Camp Butler Road, Springfield, Illinois. This is the address to the Camp Butler national cemetery.
The Director plays uncredited character Gabe in the movie.
Logan Miller shares the same last name as his character.