I went with 4 others and we had a blast! Even though we didn't make it out in time, we really enjoyed the experience. Four of us reserved and bought tickets in advance, but one of my friends joined last minute and was able to just buy a ticket at the front desk. After signing a waiver form and a quick overview of the rules by a really nice employee, we were sent to the Prisoner Escape room.
The puzzles were the perfect amount of difficulty and having the group really helped because we all contributed to solving the puzzles. My only complaint is the last puzzle. I won't give it away, but it was a bit clunky. We got stuck at the last puzzle, and found out afterwards that we had the right concept, we just misunderstood one thing. At any rate, it was a fun hour of puzzle solving!