Find all the matching card pairs in the shortest time.
Reveal all cells without stepping on a mine. Right click to place flags.
Draw \ or / diagonals in each cell to satisfy the numbers at the vertices.
Fill the 9×9 grid with digits 1-9 without repeating in rows, columns or boxes.
Paint the correct cells using the row and column numbers as clues.
Solve 10 logical Minesweeper situations as fast as possible. Mark each hidden cell as mine or safe.