Sisyphos
Sisyphos - A game about pushing a rock that lets you experience the arduousness, joy and pain of pushing a rock up a mountain. A most existencialistic challenge that inspired art and philosophy for centuries.
"It is a lesson in humility—a destruction of the human ego" - killscreensaily.com
Check the review at http://killscreendaily.com/articles/weeks-playlist-pick-sisyphos/