FREE: Unmechanical [Steam Key]

The listing, Unmechanical [Steam Key] has ended.

Unmechanical is a puzzle adventure that combines tricky puzzle solving, alluring exploration, and an engrossing atmosphere. Set in a fantastic world of flesh, rock and steel, your journey to freedom requires you to solve a great variety of puzzling challenges, and while it’s easy to pick up and play, later challenges may prove very difficult indeed.
Key features:

Intuitive and simple controls, applied to a great range of interactions.
A carefully created world with unique environments and an engrossing atmosphere.
More than 30 unique puzzles, including logic-, physics-, and memory- oriented challenges.
Uncover a dark secret through strange clues and fantastic events.
Over three hours of puzzle-solving, exploration, and adventure.

More info: http://store.steampowered.com/app/211180/
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This game works on mac and linux too!

Good Luck!