It's 15 rooms of combat-type puzzles (i.e. they're all Beethro up against a batch of monsters, with not really many much puzzling to be done). I think I'm right in saying they're all brained hordes too.
They're good if you like that sort of thing (choosing the right strategy in dealing with a bunch of monsters can be a fun challenge in its own right) and are looking for a quick, not too difficult hold (they'll take up to 2 mins each).
If you're looking for ingenious/lynchpin/original/complex puzzles look elsewhere.
I'd give it 5 for overall enjoyment (it's short, and not particularly groundbreaking, but still fun), and 2.5 brains.
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