1
Also covers game · same kind of website · free
Play Snake brings the classic mobile snake game to a web browser, where players guide the snake toward food and avoid collisions.
Alternatives
The Best slither.io Alternatives in 2026
10 alternatives1 free · 1 open source
Looking for something like slither.io? Here are 10 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 1 are open source.
About slither.ioslither.com/io
VisitGrow a snake and compete with other players to become the longest in slither.io.
Top picks at a glance
First suggestionPlay SnakePlay Snake brings the classic mobile snake game to a web…Open source optionOpenfrontioPlayers compete on a shared map in Openfrontio, a real-time…Another optionPolka Dot GamePolka Dot Game asks players to eat smaller dots, avoid…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Play Snake | Free | Not stated | Web |
| 2 | Polka Dot Game | — | Not stated | Web |
| 3 | Swarm Simulator | — | Not stated | Web |
| 4 | agar.io | — | Not stated | Web |
| 5 | Territorial.io | — | Not stated | Web |
| 6 | WarClicks | — | Not stated | Web |
| 7 | WTM | — | Not stated | Web |
| 8 | Galaxies | — | Not stated | Web |
| 9 | WikiRacer | — | Not stated | Web |
| 10 | Openfrontio | — | Yes | — |
All slither.io alternatives
2
Polka Dot Game
polkadotgame.comAlso covers game · same kind of website
Polka Dot Game asks players to eat smaller dots, avoid larger ones, and grow into the biggest dot on the block.
3
Swarm Simulator
swarmsim.comAlso covers game · same kind of website
Starting with larvae and meat, Swarm Simulator has players grow an incremental swarm of giant bugs.
4
agar.io
agar.ioAlso covers game · same kind of website
agar.io lets players control a cell and grow by consuming opponents in an online multiplayer game.
5
Territorial.io
territorial.ioAlso covers game · same kind of website
Territorial.io challenges players to expand territory and compete for control of a map in a strategy game.
6
WarClicks
warclicks.comAlso covers game · same kind of website
WarClicks lets players train an army, fight through a war zone, and compete against others.
7
WTM
whatthemovie.comAlso covers game · same kind of website
Guess a movie from a screenshot and upload stills to compete with other players on WTM.
8
Galaxies
playcanv.as/p/Ikq6Uk6AAlso covers game · same kind of website
Galaxies provides online space combat in an arena where players compete against one another.
9
WikiRacer
wikiracer.ioAlso covers game · same kind of website
WikiRacer turns Wikipedia navigation into a race where players compete to reach a target article.
10
Also covers game · open source
Players compete on a shared map in Openfrontio, a real-time strategy game playable in a browser.
No alternatives match this filter.
Alternatives to similar tools
Play Snake24 alternativesOpenfrontio24 alternativesSwarm Simulator9 alternativesWarClicks8 alternativesPolka Dot Game20 alternativesTerritorial.io19 alternatives
What is the best alternative to slither.io?
Based on features, tags and platforms, the closest alternatives to slither.io are Play Snake, Polka Dot Game, and Swarm Simulator.
Is there a free alternative to slither.io?
Yes. Play Snake is free or offer a free plan.
Are there open-source alternatives to slither.io?
Yes: Openfrontio.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative