I completed this game in one night but this was because I was on it for a solid 8 hours!
Doesn't take much brain power, more about observation, which is ideal if you don't enjoy frustrating levels that you can't complete.
The main task of this game is finding things from a list in a room full of bizarre ornaments and objects. There is a story as the game proceeds and are quirky little tasks in between such as dusty for finger prints.
Even when you complete the game you can start again and the objects you have to find will alter, and even if they don't you wont exactly remember where they were anyway so you can play this over and over.
Would definately recommend!