We recommend eight people for an in-person Escape Room for a single session. However, you can run sessions back to back throughout a day, which could equal up to 64 participants completed if you are able to run eight sessions in a single day.
One of the main reasons the Escape Rooms are so successful is the participant engagement with security concepts through the props and questions. With eight people in an Escape Room, this allows every participant to explore and contribute to completing the room. If a participant is more of an observer type, any group larger than 10 can potentially take away from this participant following along.