Uin
There are plenty of interesting games out there but once in awhile you encounter games that simply bend your mind. Uin is one of these games and in some ways, I guess, it's expected since it's from the same masterminds as those who created La La Land.
Uin lets you travel into a surreal land in search of your brother, well, not particularly because you want to but simply because there's nothing to do. The game is Aldridge's best work to date and engages and questions your mind and your sanity in some cases.