PicsX4. A 4 pics one-word game. It's basically a game where you try to find a particular word that is common to the 4 given pictures. Then moving onto harder levels that really test your brain.
Kenshō - A puzzle adventure through nature, time and space
Monument Valley - In Monument Valley you will manipulate impossible architecture and guide a silent princess through...
Limbo - “Dark, disturbing, yet eerily beautiful, Limbo is a world that deserves to be explored.” Joystiq. “Limbo is as close to perfect at what it does as a game can get.” Destructoid. Buy LIMBO: Special Edition.
Sky: Children of the Light - Hold hands with your loved ones and take flight.
Machinarium - Machinarium is independent puzzle / adventure game by Amanita Design
Gris - A beautiful adventure game