A happy, fun game that steers clear of the CoD-centric modern world fo gaming.
Its not too hard, but it is stimulating, its world is pretty and creative, and if you have even a little interest in puzzle games, you will have a good time. Watch a lets play, if you think you will like it, you probably will, this is not for everyone though.
So if you're looking for a break from killing giant space worms and being yelled at by a 12 year old in multiplayer, try Fez, its a great way to put a smile on your face, have some fun, and play with your brain a bit.