Smart, challenging puzzle

Very well designed taking only moments to get the hang of. The ability to mentally generate 3D imagery in your head is (nearly) essential as the game progresses. If you like the work if M. C. Escher then this is for you – in puzzle form! One awesome capability: a map generator where you can create and share your own puzzles … Fantastic!!!

Mike Wylde about hocus., v1.8.0