Logical, hardcore puzzle platformer with minimalist graphics, many interesting traps, puzzles spread throughout interesting levels. The main protagonist has the ability to change size, and will use this to pass the majority of traps and riddles by picking the right size. The longer the protagonist, the higher he can jump, and the wider, the more he can jump or fall on the spikes. Green artifacts give the hero more size variation capability. On most levels there are a lot of hidden secret areas, where the portal to exit, or secret passages may be hidden.