Probably, some of the best-known free web games out there are registered to .io. Well, who doesn’t like to play free games and that too when they’re available on a popular platform. That said, what exactly is this new gaming genre about? Let us take a quick look at its origins.

The .io domain is a mere country code top-level domain for the British Indian Ocean, similar to how India uses .in. and Canada uses .ca. io games are a genre, not a domain in particular and there are several games within .io that don’t have the .io domain attached to their name.

What sets io games apart from other games is their simplicity and the resulting accessibility. No need to watch complicated tutorials, just pick a particular game and start playing it instantly. In your spare time, you can jump into the game, start eating other players and dominate the virtual world.

You might have heard of Agar.io and Slither.io, the most popular games under this genre. Well, there are a plethora of other new .io games that have successfully appealed to the modern gaming community and amassed millions of people. To acquaint you with all the popular io games available out there, we’ve aggregated a list of all popular io games down below in this article.