Create a Minesweeper Game using HTML CSS & JavaScript Last Updated : 28 Apr, 2025 Comments Improve Suggest changes Like Article Like Report Minesweeper is a classic puzzle game that challenges your logical thinking and deduction skills. It's a great project for developers looking to improve their front-end web development skills. In this article, we'll walk through the steps to create a Minesweeper game using HTML, CSS, and JavaScript. Preview of final output: Let us have a look at how the final output will look like. PrerequisitesBefore we dive into coding, make sure you have the following tools and knowledge: Basic understanding of HTML, CSS, and JavaScript.A code editor like Visual Studio Code or Sublime Text.A modern web browser (e.g., Chrome, Firefox).ApproachUse <h1> for the game title.Create a grid of <div> elements to represent the cells of the Minesweeper board.Define styles for the game board, cells, buttons, and other UI components.Apply colors, fonts, and layout rules to make the game visually appealing.Generate a grid of cells based on the desired number of rows and columns.Randomly place mines within the grid while ensuring that mines are not placed adjacent to each other.Handle user interactions, such as clicking on cells.Keep track of the game state, including whether the player has won or lost.Implement win and lose conditions.Example: The code below explains the approach. JavaScript // Script.js const numRows = 8; const numCols = 8; const numMines = 10; const gameBoard = document.getElementById( "gameBoard" ); let board = []; function initializeBoard() { for (let i = 0; i < numRows; i++) { board[i] = []; for ( let j = 0; j < numCols; j++ ) { board[i][j] = { isMine: false, revealed: false, count: 0, }; } } // Place mines randomly let minesPlaced = 0; while (minesPlaced < numMines) { const row = Math.floor( Math.random() * numRows ); const col = Math.floor( Math.random() * numCols ); if (!board[row][col].isMine) { board[row][ col ].isMine = true; minesPlaced++; } } // Calculate counts for (let i = 0; i < numRows; i++) { for ( let j = 0; j < numCols; j++ ) { if (!board[i][j].isMine) { let count = 0; for ( let dx = -1; dx <= 1; dx++ ) { for ( let dy = -1; dy <= 1; dy++ ) { const ni = i + dx; const nj = j + dy; if ( ni >= 0 && ni < numRows && nj >= 0 && nj < numCols && board[ni][ nj ].isMine ) { count++; } } } board[i][j].count = count; } } } } function revealCell(row, col) { if ( row < 0 || row >= numRows || col < 0 || col >= numCols || board[row][col].revealed ) { return; } board[row][col].revealed = true; if (board[row][col].isMine) { // Handle game over alert( "Game Over! You stepped on a mine." ); } else if ( board[row][col].count === 0 ) { // If cell has no mines nearby, // Reveal adjacent cells for ( let dx = -1; dx <= 1; dx++ ) { for ( let dy = -1; dy <= 1; dy++ ) { revealCell( row + dx, col + dy ); } } } renderBoard(); } function renderBoard() { gameBoard.innerHTML = ""; for (let i = 0; i < numRows; i++) { for ( let j = 0; j < numCols; j++ ) { const cell = document.createElement( "div" ); cell.className = "cell"; if (board[i][j].revealed) { cell.classList.add( "revealed" ); if ( board[i][j].isMine ) { cell.classList.add( "mine" ); cell.textContent = "????"; } else if ( board[i][j].count > 0 ) { cell.textContent = board[i][ j ].count; } } cell.addEventListener( "click", () => revealCell(i, j) ); gameBoard.appendChild(cell); } gameBoard.appendChild( document.createElement("br") ); } } initializeBoard(); renderBoard(); HTML <!-- Index.html --> <!DOCTYPE html> <html> <head> <title>Minesweeper Game</title> </head> <link rel="stylesheet" href="./style.css"> <body> <h1>Minesweeper</h1> <div id="gameBoard"></div> </body> <script src="./script.js"></script> </html> CSS /* Styles.css */ body { font-family: Arial, sans-serif; text-align: center; } .board { display: inline-block; margin: 20px; } .cell { width: 30px; height: 30px; border: 1px solid #ccc; display: inline-block; text-align: center; vertical-align: middle; font-size: 20px; cursor: pointer; /* Default color for unrevealed tiles */ background-color: #eee; /* Default color for unrevealed tile text */ color: #333; } .revealed { /* Color for revealed tiles */ background-color: #ccc; /* Color for revealed tile text */ color: #000; } .mine { /* Color for mines */ background-color: #ff3333; } Output: minesweeper game Comment More infoAdvertise with us Next Article Whack-a-Mole Game using HTML CSS and JavaScript L lunatic1 Follow Improve Article Tags : HTML JavaScript-Projects Geeks Premier League 2023 Similar Reads Create a snake game using HTML, CSS and JavaScript Snake Game is a single-player game where the snake gets bigger by eating the food and tries to save itself from the boundary of the rectangle and if the snake eats their own body the game will be over.Game Rules:If the snake goes out of the boundary or eats its own body the game will be over.Prerequ 4 min read Design Dragon's World Game using HTML CSS and JavaScript Project Introduction: "Dragon's World" is a game in which one dragon tries to save itself from the other dragon by jumping over the dragon which comes in its way. 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