A Sudoku game in React!

Play: sudoku
Source: github

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This project aims to highlight the use of React to build a game and also maintaining state in one place. By having a ‘Single Source of Truth’, it becomes easier to keep updating the different parts of the UI based on state changes!

A fun way to learn React for those who are still in the beginning stages!


  • Only functional components!
  • useEffect, useState hooks instead of state.
  • Simple use of props.
  • All the game logic resides in a single component.
  • Use CSS Custom properties to keep the stylesheet DRY.
  • Understand how functions can be sent down as props and consumed.