In the following escape rooms in Gambrills, you must purchase the entire experience at once. You'll only play with the members of your own team and won't be paired with strangers.
The only requirement is to meet the minimum number of players for the room — the price is usually set for the room itself, though it can also depend on the number of players.

The warden’s keys have gone missing, on your watch! Can you and your team find them before this turns into an escape attempt?