Bittos

bittos+ challenges players to take control of a variety of shapes while guiding, rotating and placing them in just the right arrangement to construct happy, shiny squares, all the while being surrounded by relentlessly multiplying bad bits and pieces, previously neglected by the player. Squares? Yes, squares! The higher the player progresses, the more difficult the game becomes continuously testing the players’ mettle with a mind shattering four stages of ten levels in eighty-two rounds, making for one of the deepest puzzle game adventure modes available.

It takes about 5.8 hours to complete this game.
Difficulty of this game: Tough