GitHub Pages is a static site hosting service that takes HTML, CSS, and JavaScript files straight from a repository and publishes them into a live website. Developers quickly realized this was the perfect environment for hosting web games.

If you’ve ever typed “free online games” into a search engine, only to be bombarded with pop-ups and paywalls, this guide is for you. We will explore what GitHub.io games are, why they have exploded in popularity (especially in schools and offices), how to find the best collections, and how to access the legendary “all games” hubs that compile thousands of titles in one place.

While there is no single official "GitHub.io" review site for all games, the domain hosts thousands of independent web-based games through GitHub Pages

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For games involving items or power-ups, cut out small cards to test mechanics before writing any code. Creating a GitHub Pages site