The first Escape Room (2019) received more than $150 Million with a budget of $9 Million, leading Columbia Pictures to create a sequel.
The escape room company got its name after the mythological king Minos. Minos had Daedalus create a labyrinth in which the Minotaur would dwell. Seven boys and seven girls were given to the monster to be eaten every nine years.
0526 is seen in the subway car that we find out is the first room.
The writer of the original 2019 film did not help with the screenplay for the sequel.