Ostomachion

How many different squares can you do? "OSTOMACHION" or Archimedes Square is a puzzle, also known as puzzle of geometric figures. It is ideal for training the mind. It is simple and easy to play, just drag the pieces with your finger and use the buttons to rotate or to reflect the object. Dr. Cutler found 536 ways to collect the 14 pieces to form a square. This version will use 11 pieces with which you can make 268 squares, regardless equivalent solutions produced by the rotations, reflections or commutations of identical parts.
You get points for each level successfully and bonus time for speed. You lose points when making mistakes.
At the end of the game you can see and save your score and you can also submit your high score to an online database to compete with other players.
To help, the yellow piece appears fixed.