Hi, recently i came across a game that really struck me as interesting. Haven't played it yet but will some day. It's called Dear Esther and the only aim in the game is to advance the plotline/walk in beautiful scenery. The whole game is full of mysteries and secrets, and is narrated every few scenes. You cannot shoot or run. It's more like a movie than a game. The story seems to be very complicated but very fascinating at the same time. It's a mysterious game with poetry.
Basically you are walking around on a island, seeing occasional ghosts and solving riddles. But i don't think there is a wrong way to play the game because mostly you only move forward trough sceneries like, beaches at moonlight, huge crystalline caves and big ocean side cliffs. And i even heard that every playtrough is different, showing different scenes and plotlines or something im not sure. Any way i'd love to play it sometime soon and recommend to you all aswell. And if anyone has played it before let me know if it's good!
http://www.youtube.com/watch?v=KtWOi-lZf2o Review
EDIT: I tried it out and have to say it's a very beautiful game, you walk trough amazing scenery, while you try to figure out a story that is being told to you along the way. There is one fixed route troughout the game but many different paths which all have their secrets. The true objective is to find all these clues and piece them together into the whole story i guess. The sceneries are crafted by a master. The graphics can be compared to Battlefield 3 i guess.