if you like those escape the room type games this is the best by far....its up to part 4 i think now...im currently playing part 2.
its not free but if you follow the directions in this video you can get the 1st 3 for free....i havent tried the 3rd one tho.
[video]https://www.youtube.com/watch?v=w1kF30uW1IY[/video]