Slither.io is an online multiplayer game where players control a virtual snake avatar and compete against other players to become the longest snake. Players can collect orbs to increase their size while trying to avoid being killed by other snakes. The game is set in a colorful, cartoon-style world where players can customize their avatars and connect with friends. Players can also join clans and compete in tournaments. Slither.io is available on mobile and web browsers and supports both singleplayer and multiplayer modes.
Because you can have custom masks that make it better.