Players take on the role of a puzzle solver, given a set of blocks with different heights that must be neatly stacked in a tower. The goal is to sort the blocks in ascending order, with each new addition requiring the block to be placed on top of a larger one.
The game requires spatial awareness and problem-solving skills, as players must think carefully about each move to ensure that the tower remains stable. Playing the game in the browser, there is no need for registration or a download.