Zen bondage!
Check out a small game by demogroup Moppi: Zen Bondage.
Zen Bondage is a puzzle game about control. The motivation was to try to make a puzzle game which evokes adult emotions.
However, it fails to evoke any “adult emotions” in me. Maybe I’m just not into this bondage thing :)
I like the simplicity/pureness of the idea, and it’s executed very well.