Pentominoes is a game with a deceptively simple objective: fit twelve different pieces on a game board.  Pieces may be rotated and flipped to fit on the board, but they may not overlap each other.

For more about the mathematical history of pentomino games, see the “Further reading” page.  For more about creating your own playing boards, see the “Editor” pages.  For more about playing Pentominoes, press the right arrow key to read the next page.