Slither.io is a web-based massively multiplayer online game released in 2016. In the game, players must control a worm-like creature that captures dots to grow in size. Your ultimate goal is to become the largest Slither.

Slither. IO is an online game in which players will control a giant slither that eats all colored balls in its path. It's not easy to eat a lot of balls, because you have to fight off a bunch of slither that are also trying to eat them.