Calcu Doku

Calcu Doku is a smart and engaging math puzzle game that tests your arithmetic and logic skills simultaneously. To play, fill the grid with numbers so that each row and column contains unique digits meeting specific mathematical results in outlined cages. Key features include multiple grid sizes ranging from easy to expert and a helpful automatic pencil-mark system. Exercise your brain daily with unique number combinations and challenging equations. Perfect for puzzle lovers looking for a good mental workout. Play free now!