Solve with classic gameplay rules. Avoid repeating numbers in rows, columns, or 3×3 grids. Adjust difficulty in real time. Select from Easy, Medium, Hard, Master, or Daily Challenge. Track progress with detailed performance insights.
Is a number-placement puzzle game. Place numbers 1 through 9 on a grid to satisfy sum conditions for inner circles and color groups. Use hints or a board calculator to assist. Solve puzzles with a clean, compact interface.
Clear the board by removing all numbers through matching pairs or numbers that add up to 10. Tap numbers to cross them out. Includes accessibility options for senior players. Play without time limits.
Solve puzzles by sliding tiles to arrange them in order. Challenge yourself to complete puzzles quickly. Features puzzle mode and Pic, where boxes reveal hidden images. Track progress and replay puzzles.
Solve logic puzzles by filling grids based on numerical clues. Reveal hidden images by marking cells as filled or empty. Adjust difficulty settings and track progress across multiple puzzles. Share completed puzzles with others.
Solve puzzles with varying difficulty levels. Input numbers manually or transfer from newspapers. Use pencil and paper style tools for notes and hints. Track possible numbers with a ball of string. Access expert-level hints like Swordfish.