- transportation
- minimalist
- building
- puzzle
- relaxing
- stylized
- casual
- family-friendly
- top-down
- city-building
- colourful
- difficult
- simulation
- tutorial
- cute
Sudoku - is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9.