Numbers show how many mines are adjacent to that square. Rightclick to flag a square as a mine. Win by exposing all the nonmine squares. Game | Display | Controls | Import | Export. Game: × : Height: Width: Mines: Beginner: 9: 9: 10: Intermediate: 16: 16: 40: Expert: 16: 30: 99: Custom: Marks (?) Display: ×: Zoom: 150% 200%: Position: Center Left: Night Mode: Controls: ×: Desktop ...