Nocturnal Keep had some great puzzles with lots of variety in puzzle type! The GM (possibly owner?) is an enthusiast herself, which is always a major green flag in my book. I really appreciated the clarity of the task and steps to accomplish it, and thought the hint system was fun and clever. The room theme is pretty generic, but is still worth playing for the puzzles themselves.
There was one point where I was asking for a hint for two minutes straight and had to ask three separate times before receiving a response. While I can appreciate that they were short-staffed and the GM was juggling a lot at once, it's also stressful when the clock is ticking and you're trying to get the attention of someone who isn't there.
Additionally, there was one puzzle that required color differentiation in which it genuinely felt impossible to differentiate the colors because they were too similar. Even using the provided lanterns, we could not tell which color was which. I ended up having to go to my jacket and get my phone flashlight to have a strong enough light to tell which color was which, which was a bummer because it kind of broke the immersion.
If you, like me, are someone who prefers to play the rooms at a location based on the quality of the room, ending with the strongest room, the order I would recommend is Nocturnal Keep, Baggage Bandits, and then Mole of the Mountain. Nocturnal Keep was a nice room and we enjoyed ourselves, but having played both of their other rooms already, it didn't live up to what we know the designers here are capable of.
Accessibility
One puzzle requires color differentiation (and was difficult even for us with no color blindness), one puzzle requires hearing to know that you've completed it, and the room requires the ability to crouch.
While Upside Down Escapes doesn't have its own parking lot per se, it is near two large lots with free public parking.