Is It Hard to Play with Slither.io Controls?
Most of the people have questions about the slither.io controls. In case you are looking for a game which has a simple logic then you can easily get used to slither.io controls if you will play on original servers. However, in case, you will want to play slither.io through various slither.io mods than these slither.io controls will get complicated however they are still quite easy when compared to regular video games. The main reason why there are more slither.io controls in these slither.io mods are the slither.io hacks.
As more slither.io hacks will be involved, you may have more buttons to use on your keyboard in slither.io game. But please keep in mind that the game is played by millions of people from all around the world and this should be a proof that you can easily get used to the slither.io controls like many of the people. Some of the slither.io private servers allow you to customize these buttons but the original game does not allow such things. Still, you can have fun both on slither.io original servers as well as slither.io private servers.
Make sure you disable any other slither.io extension and scripts first!
How to install user scripts?
Firefox and related browsers: Greasemonkey.
Google Chrome, Chromium, and related browsers: Tampermonkey.
Opera (version 15 and later): Tampermonkey or Violentmonkey.
Opera version 12 and earlier supports user scripts natively. Violentmonkey provides a friendlier UI and better compatibility.