Game title: The Sojourn
A deep and appealing Sojourn is a game for those who have that philosophical mood. Here you will have to enter the large universe, where numerous of parallel worlds exist at the same time. As a main character, you will find a great deal of intellectual puzzles to solve and get ready that most of them are not very simple, so you will have to think for a while before you finish them. The ultimate goal of the game is to find answers to the questions related to human mind, the world, and the nature of being. Sounds nice!