As if awakening from a deep sleep, you find yourself in a strange, contradictory world of ancient ruins and advanced technology. Tasked by your creator with solving a series of increasingly complex puzzles, you must decide whether to have faith, or to ask the difficult questions: Who are you? What is your purpose And what are you going to do about it?
Sigils of Elohim has some really fun puzzles. Some of them make you stop and think for a bit, but nothing felt overly complicated. I had a good time playing through it and figuring everything out.
It is a tetris puzzle from the game, and it is free, and it gets pretty hard pretty fast.