slither.io — free online game
slither.io
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slither.io — free online game
slither.io
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slither.io — free online game

slither.io

Rating
8.6 (703 votes)
Technology
HTML5 (Webgl)
Platform
Browser (desktop, mobile, tablet)
Screen Orientation
Landscape
Release
April 2016
Last Update
August 2026
Name
Slither. io
Category
Fun & Crazy

Slither. io — snake battle in the arena

Slither. io — multiplayer arcade game with elements io You control a snake and collect glowing orbs to grow longer than your opponents. Each death of an opponent leaves a scattering of orbs to collect. Unlike Agar. io, colliding with the edge of the arena kills instantly, without sliding along the wall. Hundreds of snakes play on one server at the same time. The game is available in the browser on PC, smartphone and tablet.

Orb Hunt

You move the snake with your mouse or finger across the screen. The cursor sets the direction, the boost accelerates movement at the cost of mass. Each second of boost costs 15 units of length — spend it carefully. You pick up orbs after the death of your opponents. Colliding head with another's body kills the snake instantly. Experienced players roll their body into a ring and trap their opponent inside the loop. Similar encirclement tactics work in Gulper. io The first minutes the snake is short and vulnerable, and after growth it becomes easier to maneuver.

Outrun your opponents in length

The main goal is to become the longest snake on the server. Collect orbs, avoid other people's bodies and use boost in narrow places. Games take place in real time in the format multiplayer Death sends you back to the beginning without saving your progress. Each victory raises you to the overall ranking of the day.

No levels — only growth

There are no levels or tasks in this game — only the current length. There are no saves either: progress is reset with each death. The top 1 player gets the right to leave his message to everyone on the server. The day's record is shown in the leaderboard directly on the screen. A similar principle of growth through the seizure of territory — in Hexanaut. io.

Who is this arena suitable for?

The game is suitable for casual players for short competitive sessions of 5-10 minutes. The game is simple for beginners in the first minutes, but the depth of tactics is revealed only with experience. Fans of similar mechanics should try it Worms Zone a Slithery Snake.

From tiny to giant

  1. Stay close to the large snakes at the beginning — there are more orbs after other people's deaths.
  2. Collect small orbs along the edges of the map while the snake is still small.
  3. Turn on the boost in short bursts, not all the way.
  4. Roll up into a ring around your opponent to catch him in the collision.

Lifehacks:

  • Stay close to the large snakes at the beginning of the game — after their attacks there are a lot of orbs left for rapid growth.
  • After 1000+ points, reduce the boost — at this stage, aggressive acceleration kills most often.
  • Don't chase after the first corpse of your opponent — there are usually other players already crowding there, it's better to catch them later.

Launch Slither. io right now — free, without installation on your PC or smartphone, right in your browser!

Platform

Browser Desktop , Mobile and Tablet

Release

18 april 2016

Last Update

05 august 2026

How to play

PC:

  • Mouse — direction
  • LMB / Space — acceleration
  • Arrows — direction (alternative)

Smartphones:

  • Swipe — direction
  • Double tap — acceleration

FAQ — Frequently Asked Questions

What is the game Slither about? io?

This is a multiplayer arcade game about a growing snake in a common arena. You collect glowing orbs and bypass the bodies of your opponents. The goal is to grow longer than all the players on the server. Each death of an opponent leaves orbs for collection.

Slither. io is a free game?

Yes, the game is completely free and does not require a subscription. Cosmetic skins for the snake are available without payment. All players start with the same small snake.

What devices does the game work on?

The game runs in the browser on PCs, as well as on smartphones and tablets. Control on the phone is by swiping your finger across the screen. Progress between devices is not saved.

Do I need to download the game?

No, the game starts immediately, you don't need to download anything. A mobile app exists, but is not required for the game. Just open the page and select the name of the snake. Account registration is also not required.

How much mass does a snake lose when accelerating?

The boost burns 15 snake length units every second. Use it in short bursts — to overtake or escape. The lost mass turns into orbs on the map.

What happens if you crash into the arena boundary?

The snake dies instantly, without sliding along the wall. Unlike Agar. io, here collision with the edge is unforgiving. The body does not turn into orbs at this death.

How to catch a smaller opponent?

Roll your body into a tight ring around your opponent. If his head touches your body, he will die instantly. The tactic is dangerous: a noose that is too tight will kill you too.

Screenshots