If there was randomness, you could offer "Free if you can escape in an hour!"
Otherwise someone could get the full experience by going in with the instructions written down and pull it out of their pocket in the last five minutes if they'd failed to escape.
Comments
I don't think many people are paying money to go to these just to "cheat". Unless... there are competitions.
If there was randomness, you could offer "Free if you can escape in an hour!"
Otherwise someone could get the full experience by going in with the instructions written down and pull it out of their pocket in the last five minutes if they'd failed to escape.