Slither.io skin list: how to unlock all skins
2

Slither.io is an addictive little thing: you start playing for a few quick spins, and it quickly grows into a few hours of non-stop gameplay.
Once you get the basic rules of how to win at Slither.io, it's relatively easy to get your snake/worm (let's just call it a sworm) to 5,000 to 10,000 point length. The real challenge starts after that.
Here is how to unlock all the skins for Slither.io
So how do you do it? The option seems to be missing at first, but then you can see that you can unlock it by sharing a link of the game on Facebook and/or Twitter. Just share that link and you'd see the button to change your skins appear.And once unlocked, here are all of the Slither.io skins that you can choose from.
Things that are NOT allowed: