People are being too harsh on this game, probably because they can't beat it. The fact that this game has no bugs and has an ending shows that it is of decent quality despite what others are saying. The game doesn't have good graphic, but why does it need it? Games are made for gameplay, not good graphics though good art does enhance a game. The controls are just fine and the hit box for the square is fairly accurate to the point where the square can jump off of a point on one of the white squares when only a small fraction of its border was still on it. It is very challenging in that there is sometimes only one possible way to get only the blocks and you have follow them all the way through. I managed to beat it and I consider it an okay game though more improvements to the graphic would be better.