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The best .io games that are still online

From the originals (Agar.io, Slither.io, Diep.io) to shooters, survival builders and territory games: every .io game we track, grouped by type, with live status.

Updated 2026-10-29 · 5 sources · status lights show our latest check

.io games are browser multiplayer games often named for the .io domain they live on.[1] The genre took off after Matheus Valadares released Agar.io on April 28, 2015[2] and Steven Howse released Slither.io on March 25, 2016;[3] from mid-2016 a wave of similar games followed.[1] Wikipedia lists ZombsRoyale.io, Mope.io, Surviv.io, Shellshock.io, Paper.io, Deeeep.io, Hole.io, Snake.io and Krunker.io among the notable games of 2016–2020,[1] and notes the genre surged again during the COVID-19 pandemic in 2020–2021.[1]

This is every .io-wave game we track that hasn't closed (55 in total), grouped by type. We don't rank them by invented player counts; the status light shows whether the official site answered our last check, and where a game's homepage spells out its controls we quote them. Surviv.io itself was sunset in 2023 and relaunched by Kongregate in March 2026;[5] fan recreations Survev.io and Suroi are listed below.

The originals

The games that started the genre.

  • Agar.ioOnline

    Control a tiny cell and eat other players to become the biggest cell of them all.

  • Slither.ioUnknown

    Multiplayer snake: eat glowing pellets and other snakes to become the longest on the server.

  • Diep.ioOnline

    Survive and shoot at others while trying to keep your own tank alive.

Snake games

Slither.io's descendants: eat, grow, cut others off.

  • Curve Fever ProOnline

    Action-packed, snake-like multiplayer arena game: customize your ship and take out your friends.

  • Little Big SnakeOnline

    Snake-style multiplayer game with regular updates, playable on the official site.

  • Powerline.ioOnline

    Massively multiplayer neon snake game.

  • Wormate.ioOnline

    Multiplayer worm game: eat sweets, donuts and cakes to grow faster.

    Controls, per wormate.io: Move your mouse to control your worm Press your mouse for acceleration

Shooters and FPS

From 2D arena shooters to full 3D first-person games.

  • BattleDudes.ioOnline

    Fast-paced 2D multiplayer battle shooter, no download required.

  • Copter.ioOnline

    Fly a copter, keep shooting and upgrade special abilities in intense battles.

  • Deadshot.ioOnline

    Multiplayer online first-person shooter in the browser.

  • Defly.ioOnline

    Fly a helicopter, shoot enemies and build walls to claim as much territory as you can.

    Controls, per defly.io: Move: WASD or arrow keys Build: Right Click or Space Aim: Mouse cursor Shoot: Left click

  • ev.ioOnline

    Sci-fi browser FPS played on the official site.

  • Gats.ioOnline

    Fast-paced top-down shooter: choose a weapon, unlock power-ups and compete in real-time arenas.

  • Kirka.ioOnline

    Multiplayer browser FPS, no download required.

  • Kour.ioOnline

    Free multiplayer first-person shooter in the browser, no download needed.

  • KrunkerOnline

    Fast-paced multiplayer browser FPS; no download required.

  • Mk48.ioOnline

    Multiplayer ship combat: start with a small warship and work up to bigger vessels.

  • Repuls.ioOnline

    Sci-fi browser FPS with mechs and vehicles; no download required.

  • Shell ShockersOnline

    Egg-based first-person shooter from Blue Wizard Digital. Yes, eggs with guns.

  • Starblast.ioOnline

    Multiplayer arcade space shooter: blast asteroids, collect crystals, upgrade your ship.

  • Venge.ioOnline

    Objective-based first-person shooter in the browser.

    Controls, per venge.io: Move: WASD Aim/Shoot: Mouse Change Weapon: 1-9 Ability: F

  • ZombsRoyale.ioOnline

    100-player 2D top-down battle royale from End Game Interactive.

Battle royale

Last player standing, shrinking zone.

  • Build RoyaleOnline

    .io battle royale: build, break and eliminate other players.

  • Craftnite.ioOnline

    Blocky battle royale: build stairs, dig tunnels and take other players down.

  • LOLBeans.ioOnline

    Funny platformer battle royale race; play in browser or on mobile with no download.

    Controls, per lolbeans.io: Control your bean with WASD or arrow keys, jump with space or right-click Avoid the obstacles and reach the finish line

  • SuroiOnline

    Open-source 2D battle royale inspired by surviv.io: a fan revival of the classic.

  • Survev.ioOnline

    Open-source recreation of surviv.io, the 2D top-down battle royale.

Survival and building

Gather, craft, build a base, survive the night.

  • Bloxd.ioOnline

    Block-world games in the browser: bedwars, skywars, building and PvP, no login needed.

  • Devast.ioOnline

    Post-apocalyptic survival: build a bunker, craft weapons and grow food to survive other players.

  • Dynast.ioOnline

    60–150 player 2D survival game with RPG elements: build, craft, fight, survive.

  • MinibloxOnline

    Minecraft-like games such as Skywars and Survival, with no download and no sign-up.

  • MooMoo.ioOnline

    Multiplayer survival: gather resources, build your village and defend your windmills.

    Controls, per moomoo.io: Look: Mouse Gather/Attack: Mouse Select Item: Click Movement: Arrow Keys Chat: Enter Key Close Windows: ESC

  • Sploop.ioOnline

    Fast-paced survival combat: gather, upgrade your character and become the strongest.

  • Starve.ioOnline

    Survive cold and hunger, craft tools, explore biomes and fight dragons with other players around.

  • Taming.ioOnline

    Survival .io game where you build a village and tame animals to fight alongside you.

  • Tribals.ioOnline

    First-person multiplayer survival: explore, start clans with friends and raid bases.

  • Vectaria.ioOnline

    Minecraft-like browser game: build, craft and dig with other players.

  • ZOMBS.ioOnline

    Build a base by day and defend it from zombies at night in this multiplayer tower defense.

Territory and strategy

Claim land and outmanoeuvre other players.

  • Generals.ioOnline

    Fast-paced strategy: protect your general, grow your army and capture the other generals.

  • Hexanaut.ioOnline

    Capture hexagons by enclosing territory and become king; grab totems for extra powers.

    Controls, per hexanaut.io: Mouse: aim your direction W / A / S / D or Arrow Keys: steer with keyboard Click or Space: activate a PRO item Mobile: on-screen joystick to steer, tap button to use item

  • Lordz.ioOnline

    Online medieval warfare against other players.

  • Splix.ioOnline

    Conquer as much land as possible and try to become the biggest of them all.

  • Superhex.ioOnline

    Capture hexagon territory and defend it from other players.

    Controls, per super-hex.io: Use the mouse or arrow keys to control your character.

  • Territorial.ioOnline

    "The Art of Conquest": a real-time territory-conquest game against other players.

Arena, physics and everything else

Quirky one-idea games built for quick rounds.

  • Bonk.ioOnline

    Physics game for up to eight players: push opponents off the level, last one standing wins. Has a level editor.

    Controls, per bonk.io: Use the arrow keys to move, and hold X to make yourself heavier.

  • Brutal.ioOnline

    Drive a car and swing a flail at other players. Exactly as chaotic as it sounds.

  • Digdig.ioOnline

    Dig through the ground and destroy your foes.

  • EvoWars.ioOnline

    Arena fighting .io game: challenge opponents in an open arena.

  • Fishington.ioOnline

    Relaxed online fishing game where you chat and fish with up to 24 players.

  • Krew.ioOnline

    Free 3D pirate game: captain a ship or join a krew, fire cannons, fish, trade and sink rivals.

    Controls, per yumina.io: Move with WASD and use your mouse to aim.

  • Mope.ioOnline

    Start small and climb the food chain as an animal in a shared world.

  • Narrow OneOnline

    Capture the flag, medieval style.

  • Smash KartsOnline

    Free multiplayer kart battle arena: drive fast, fire rockets, make big explosions.

  • Stabfish.ioOnline

    Play a deadly marine monster: stab enemies and hang their heads on your pike.

  • Wings.ioOnline

    Massively multiplayer dogfights: fly a plane and shoot down other players.

    Controls, per wings.io: Move your mouse to control your plane Click OR press space to shoot

Want more? Browse the .io wave collection with filters, or see which ones the official sites say work on mobile.

Sources

  1. [1] Wikipedia: .io games
  2. [2] Wikipedia: Agar.io
  3. [3] Wikipedia: Slither.io
  4. [4] Wikipedia: Diep.io
  5. [5] Wikipedia: Surviv.io

Wikipedia text is summarised from the linked articles (CC BY-SA 4.0). Game statuses come from our own checks of each official site.

More guides

History

History of multiplayer browser games

Preservation

The Flash shutdown & preservation

Play together

Best browser games to play with friends

Old guard

Classic browser MMOs still running