Build a Snake Game with React, Redux, and Redux-Sagas

Estimated read time 3 min read

Introduction to Building a Snake Game

The classic Snake game has been a favorite among gamers for decades. In this tutorial, we will explore how to build a Snake game using React, Redux, and Redux-Sagas. We will leverage the power of React components, Redux for state management, and Redux-Sagas for handling asynchronous actions. By the end of this tutorial, you will have a fully functional Snake game that you can play in your browser.

Setting Up the Project

Before we begin building the Snake game, we need to set up our development environment. Follow these steps:

  1. Install Node.js: Make sure you have Node.js installed on your machine. You can download and install it from the official Node.js website.
  2. Create a New React Project: Open your terminal or command prompt and navigate to the desired directory. Run the following command to create a new React project:
npx create-react-app snake-game

This command will set up a new React project with the necessary dependencies and folder structure.

  1. Install Additional Dependencies: Change into the project directory by running cd snake-game. Install the required dependencies by running the following command:
npm install redux react-redux redux-saga

Building the Game Board

Let’s start by creating the game board component. This component will render the grid on which the Snake moves. Follow these steps:

  1. Create a new file called GameBoard.js in the src folder.
  2. Import React and Redux dependencies
import React from 'react';
import { connect } from 'react-redux';

1. the GameBoard component:

const GameBoard = () => {
  return (
    <div className="game-board">
      {/* Render the game grid */}

export default connect()(GameBoard);
  1. Export the component using the connect function to connect it to the Redux store.

Handling Game State with Redux

Next, we will set up Redux to manage the game state. Follow these steps:

  1. Create a new folder called redux inside the src folder. Inside the redux folder, create three files: actions.js, reducers.js, and sagas.js.
  2. In actions.js, define the Redux actions for starting and updating the game:
// actions.js
export const START_GAME = 'START_GAME';
export const UPDATE_GAME = 'UPDATE_GAME';

export const startGame = () => ({
  type: START_GAME,

export const updateGame = () => ({
  type: UPDATE_GAME,
  1. In reducers.js, create the initial state and a reducer function to handle game actions:
// reducers.js
import { START_GAME, UPDATE_GAME } from './actions';

const initialState = {
  // Initial game state

const gameReducer = (state = initialState, action) => {
  switch (action.type) {
    case START_GAME:
      // Handle game start
      return state;
    case UPDATE_GAME:
      // Handle game update
      return state;
      return state;

export default gameReducer;
  1. In sagas.js, define a saga to handle asynchronous game logic:
// sagas.js
import { takeEvery, put } from 'redux-saga/effects';
import { START_GAME, updateGame } from './actions';

function* gameSaga() {
  yield takeEvery(START_GAME, handleStartGame);

function* handleStartGame()
Mark Stain

My name is Mark Stein and I am an author of technical articles at EasyTechh. I do the parsing, writing and publishing of articles on various IT topics.

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