This review is for the bunker. I have done 4 other escape rooms with other companies so this review is with those experiences as context.
First off, their website says they recommend 4 players but I would go 3 max since the room is quite small.
The good: As a set, the room is not bad. It kind does feel like in a bunker since it's small and the ceilings are low. There is some sound design as well which adds to the feeling.
The bad: There aren't many true "puzzles" in the room (at least of the sort I've seen) and the one part that was actually a "puzzle" was pretty awful in my humble opinion.
I have read that the other rooms might be better but I would avoid the bunker.