Hundreds of "io" style games and puzzle games (like the original 2048 ) are hosted via GitHub Pages, allowing you to play directly in your browser.
Because GitHub is a hosting service for software development and version control, it bypasses the commercial barriers of traditional storefronts. Here is everything you need to know about finding and playing games on GitHub. Why GitHub is the Ultimate Hub for Free Games github all games free
Since these are passion projects or educational tools, you won't find annoying pop-ups or "freemium" energy mechanics. Hundreds of "io" style games and puzzle games