Slither.io Mods for FireFox and related browser (Update 2.1.5)

 

Step 1

Try to install Greasemonkey extensions on Firefox, and Install Tampermonkey on Safari/Chrome
Install Tampermonkey at here.

https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/

Install Greasemonkey or Tampermonkey add-on for Firefox. Download with link below:

• Greasemonkey: https://addons.mozilla.org/en-US/firefox/addon/748/


• Tampermonkey: https://addons.mozilla.org/en-US/firefox/addon/tampermonkey/


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  Step 2

  
  
  
  
  • Click here or link at the end post to download user scripts.
  
  
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    Step 3

    
    
    
    
    • For Tampermonkey:
    
    
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  • For Greasemonkey: Greasemonkey will call you up to select Install button, just click it when you are asked so that you can confirm this installation on Firefox. Click Install
  
  
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  Step 4

  
  
  
  
  • Go to slither.io or our page to play slither.io with mods.