pixel-examples/community/sudoku/README.md

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# Sudoku
A game of Sudoku written in [Go][go].
From [Wikipedia][sudoku-wiki]:
> Sudoku (数独 sūdoku, digit-single) (/suːˈdoʊkuː/, /-ˈdɒk-/, /sə-/, originally
> called Number Place) 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. The puzzle
> setter provides a partially completed grid, which for a well-posed puzzle has
> a single solution.
Created by [Jason Wangsadinata][jwangsadinata] using
[Pixel][pixel].
This example is kept to the bare minimum for demonstrating just the main
concepts of using imdraw, and batch with texts. For a game with slightly more
features, please check out [Go-Sudoku][go-sudoku]
## Usage
Run it the usual way:
go run sudoku.go
## How to Play
- *Left mouse* click to select a box.
- *Number keys* to input a number.
- *Space* or *Backspace* to delete a number.
## Screenshots
![Sudoku](sudoku.png)
## Links
- [Go-Sudoku][go-sudoku]
[go]: https://golang.org
[go-sudoku]: https://github.com/jwangsadinata/go-sudoku
[jwangsadinata]: https://github.com/jwangsadinata
[pixel]: https://github.com/faiface/pixel
[sudoku-wiki]: https://en.wikipedia.org/wiki/Sudoku