Fez is a easily the most personal puzzle game that I’ve ever played. It’s not personal because it “spoke to me” in any way, but because the biggest puzzle in Fez is figuring out what you know and what you don’t know. This is a puzzle game built around the idea that people’s minds all work differently.
The game, in my mind at least, is split into three layers:
The first layer is the perspective shifting puzzle. This is what you solve to progress in the game. In other words, basic exploration is built on this puzzle. You’ll find cube bits that make up full cubes that unlock doors to more hub worlds, and you can get through most of the game by focusing only on this first layer. However, the final cube bit is hidden behind a rather obtuse puzzle that is not apparent if you are only focusing on this first layer. In this way, Fez nudges you over the edge, down to the second layer of puzzles.