How to Play Slither.io: Controls & Fullscreen

Keybinds, fullscreen steps, and device notes. Controls can vary by version and portal wrapper.

Keyboard & Mouse Controls

Action Key / Input
MoveMouse cursor (or arrow keys on some versions)
ActionClick/Space/Shift to boost (varies by version)
JumpNot confirmed
PauseNot confirmed
RestartReturn to menu / refresh page

Note: Controls can vary by version and platform wrapper. Check any in-game help/settings if available.

Fullscreen Guide

Not confirmed from provided materials. Check for an in-game fullscreen icon or use browser fullscreen (F11).

Browser Fullscreen Shortcuts

  • Windows: F11
  • Mac: Ctrl + Cmd + F
  • Chromebook: Press the fullscreen key on the top row

Mobile & Chromebook Support

📱

Mobile Support

Yes

💻

Chromebook Notes

Playable on Chromebooks, but performance depends on hardware and browser settings.

FAQs (controls & fullscreen)

What are the controls for Slither.io?

Most versions use the mouse to steer and a boost action (click/Space/Shift), but exact controls can vary by version.

How do I go fullscreen in Slither.io?

Not confirmed from the provided materials. Check for a fullscreen icon or use browser fullscreen (F11).

Does Slither.io work on mobile?

Mobile support exists on some versions. Check the platform listing for your device.

Having trouble?

If the game won’t load, is laggy, or shows a black screen, use the fixes page.

🔧 See Fixes for Loading & Lag →