1
MiniRoyale
miniroyale.ioAlso covers game · same kind of website
Clans compete for control of nations in MiniRoyale, a multiplayer strategy game.
Alternatives
The Best agar.io Alternatives in 2026
12 alternatives2 free · 0 open source
Looking for something like agar.io? Here are 12 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan.
agar.io lets players control a cell and grow by consuming opponents in an online multiplayer game.
Top picks at a glance
First suggestionMiniRoyaleClans compete for control of nations in MiniRoyale, a…Free or freemium optionArtifact GuesserArtifact Guesser is a free game where players guess the…Another optionSigmallySigmally provides a browser-based Agar.io private server…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | MiniRoyale | — | Not stated | Web |
| 2 | Sigmally | — | Not stated | Web |
| 3 | ChessArena | — | Not stated | Web |
| 4 | Polka Dot Game | — | Not stated | Web |
| 5 | Swarm Simulator | — | Not stated | Web |
| 6 | slither.io | — | Not stated | Web |
| 7 | Territorial.io | — | Not stated | Web |
| 8 | Spacewar! | — | Not stated | Web |
| 9 | Diep | — | Not stated | Web |
| 10 | Artifact Guesser | Free | Not stated | Web |
All agar.io alternatives
2
Sigmally
one.sigmally.comAlso covers game · same kind of website
Sigmally provides a browser-based Agar.io private server where players can play the game, with a shop and Sigma Pass.
3
ChessArena
chessarena.aiAlso covers game · same kind of website
Play chess against an AI opponent in ChessArena, an online chess game with a computer player.
4
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.
5
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.
6
slither.io
slither.com/ioAlso covers game · same kind of website
Grow a snake and compete with other players to become the longest in slither.io.
7
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.
8
Spacewar!
masswerk.at/spacewarAlso covers game · same kind of website
Players can try the original 1960s Spacewar game with keyboard controls for movement and gameplay.
9
Diep
diep.ioAlso covers game · same kind of website
Control a tank, survive, and shoot at other players in the diep.io browser game.
10
Also covers game · same kind of website · free
Artifact Guesser is a free game where players guess the country and date of real museum artifacts, with over 230,000 artifacts from 10 museums, a daily challenge, unlimited play, and multiplayer.
11
Also covers game · same kind of website · free
Create meme captions and rate other players’ submissions in Make it Meme, a multiplayer party game.
12
splix.io
splix.ioAlso covers game · same kind of website
Conquer territory and try to outgrow other players in the splix.io multiplayer game.
No alternatives match this filter.
Alternatives to similar tools
Artifact Guesser24 alternativesSpacewar!6 alternativesSwarm Simulator9 alternativesSigmally18 alternativesPolka Dot Game20 alternativesTerritorial.io19 alternatives
What is the best alternative to agar.io?
Based on features, tags and platforms, the closest alternatives to agar.io are MiniRoyale, Sigmally, and ChessArena.
Is there a free alternative to agar.io?
Yes. Artifact Guesser and Make it Meme are free or offer a free plan.
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