iogames.world is a list of hundreds of cool and free io games, such as Shell Shockers, Paper.io, Hole.io, Agar.io, and more! What are io games? io games are multiplayer games that you can play in your browser without needing to download or install anything. They are called io games because their websites commonly use the ".io" domain.

io games are multiplayer games that you can play in your browser without needing to download or install anything. They are called io games because their websites commonly use the ".io" domain. The first io game, Agar.io, was created in 2015 and spawned many other similar games such as Diep.io, Slither.io, Surviv.io, ZombsRoyale.io, and Hole.io.

Slither.io is (the best IO Game) so popular that at one point it became a youth trend that made many people crazy. Including many professional gamers, streamers also experience this game. Slither.io was first introduced to the community in 2016, and within three months, the game sparked a worldwide frenzy.

Enjoy original titles like Slither.io and new .io games such as Rocket Bot Royale, Pixel Warfare, Shell Shockers, and Smash Karts. You can sort this IO games list by newest, most played, and top .io games using the filter.