Play .IO Games
What Does IO Stand For in Games?
.IO is a website extension that stands for British Indian Ocean. Game developers generally use .IO extension to host their own .io games.
What Was the First IO Game?
The first io game developed is considered to be Agar.io. There is controversy online about the first .io game, but Agar.io made .io games popular.
What is the Most Popular .IO Game?
The most popular .io games are Agar.io and Slither.io which are considered to be the first two .io games ever developed. Since then, hundreds of .io games have emerged in the world.