Blue, is a game that is themed around puzzles which are all somehow linked to the color blue. Part of the puzzle of this game is trying to figure out what the problem is before you can go about fixing it. This is a game devoted to people who consider themselves a little more clever than your average gamer. It doesn't take book knowledge to play this game, nor street knowledge. No, this game is more about game knowledge. Puzzle knowledge, and net knowledge. When you combine all three disciplines you should be able to figure out the various levels in this game which only get harder and harder.