Feel like architect! Build your own tower, the highest tower in the whole world, improving your skills with every next cube! Try to beat the current world record on the right! Place cubes on each other, but try to do it very carefully, because the game is over if you let at least one cube fall. The tower height is fixed when all the cubes are stable for more than 3 seconds and you do not keep them up with your mouse. So hold your breath and start building your skyscraper!