Best JavaScript and HTML5 game engines (updated for 2025)

JavaScript and HTML5 have become viable technologies for developing games, particularly with the introduction of the JavaScript WebGL API, which allows for complex 2D and 3D graphics rendering in modern browsers without third-party plugins. While beginners can start with pure JavaScript, many choose from a variety of HTML5 game engines that facilitate browser-based game development with JavaScript, HTML, and CSS. These engines, which include Three.js, Pixi.js, Phaser, Babylon.js, Matter.js, PlayCanvas, GDevelop, Defold, Godot Web Build, and Construct, offer different capabilities such as cross-platform support, ease of use, community resources, and performance optimization for mobile and desktop environments. The article provides an overview of each engine's strengths, learning curve, and ideal use cases, aiming to help developers select the most suitable engine based on project type, experience level, and deployment goals.