Quarto and 2x2-Quarto

You can play the standard Quarto where the aim is to line up 4 pieces that share the same attribute (round or square light or dark big or small solid or hollow). A second variant of the game is 2x2-Quarto where one can win by placing four matching pieces in a 2x2 square. You can choose between four levels of difficulty. At level master the AI is unbeatable.You have also a Testing-mode where you can calculate optimal moves from all board positions or experiment a bit. This app is optimized for fa...