These are called Agar.io skins. You will need to enter the right name on the start page to get the skin you want. You can try out names of Internet memes, emoji and almost any country to get a skin.

When Agar.io started, you could use the username “Nazi.” If you did, your skin would become a swastika. Miniclip decided to take that out because it’s “still too taboo,” Cason said.

An unlikely internet sensation when it launched in 2015, Agar.io spawned an entire genre of ... leaderboards, and special skins. That said, if you want to just dive right in for a few rounds ...