IO Games have grown in popularity with the debut of Agar.io on April 28th, 2015, thanks to their accessibility and extensive exposure through Let's Play videos. The best IO Games have grown to become some of the most popular time killers on the internet over the last half-decade. Some are centered on zombies, while others include battle machines. Some lag horribly, while others work nicely and reach out to mobile devices.
Web/Link: https://iogames.site