Play Agar.io vs Slither.io online here and decide which one is the best. The first to open is the famous snake game, but the original can be played too. Explore the website to experience not only these two, the most famous and right now the best rivals to play with and against friends, but also many other versions, as the ones with planes that fly and shoot in the sky. The Mouse and simple keyboard controls continue to be your only allies in a stage where everybody wants to either eat or destroy the other players to grow bigger. Good luck next time!