All IO Games
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Aquar.io
Lead an underwater swarm of creatures
7.9135K2.1K -
Venge.io
Sleek 3D multiplayer shooter
8.3133K1.4K -
Krunker
Fast-paced 3D browser shooter
8.1191K3.5K1 -
Microgravity
2D space combat and base-building
7.384K768 -
Battlepoint.io
Top-down 2D urban shooter
7.674K5301 -
Stein World
Browser MMORPG with quests and dungeons
7.680K1.1K -
Sworm.io
Snake game with splitting swarms
7.7119K1.8K -
World of Pixels
Infinite shared pixel canvas
7.8100K1.4K -
Oceanar.io
Underwater agar.io: eat fish, grow giant
7.3213K3.7K -
Stabfish.io
Fish with spears battle arena
7.440K245 -
Battleboats.io
Team naval combat with mines
8.123K104 -
Voxiom.io
Minecraft-style battle royale
8.069K605 -
Double Dodgers
Two mini-games played at once
7.329K219 -
Slush IO
Motorcycle physics racing
6.224K45 -
GooseGame.io
Vicious geese battle arena
7.732K202 -
PixelForces.io
Pixel FPS with jump pads
7.928K91 -
Colonist
Browser Settlers of Catan
6.828K36 -
SpaceGuard.io
Arena FPS with futuristic weapons
8.144K396 -
MiniRoyale 2
3D mini battle royale
8.362K638 -
BombHopper.io
Bomb yourself through platforms
5.528K138 -
Nuke.Zone
Synthwave hovertank shooter
6.927K44 -
SlitherCraft.io
Slither.io in Minecraft blocks
8.127K159 -
Craftnite.io
Minecraft meets FPS battle royale
8.164K604 -
Killer.io
Serial killer Halloween stealth
7.527K121 -
Flap Royale
Flappy Bird battle royale
7.026K64 -
Copter.io
Fly a helicopter in agar.io style
7.234K118 -
Chompers.io
Customize character, hunt big monsters
8.030K181 -
Shotwars.io
2D shooter with CTF and zombies
7.326K57 -
Mine-Craft.io
2D browser Minecraft multiplayer
4.443K258 -
Skribbl.io
Draw and guess words multiplayer
7.450K448 -
Build Royale
Battle royale with building mechanics
7.639K325 -
Massacre.io
2D arena deathmatch shooter
6.125K43 -
BigHero.io
Agar.io arena with melee weapons
7.337K357 -
Cubee.io
2D meme platformer with crafting
7.648K454 -
Gunzer.io
Top-down multiplayer tank shooter
7.843K303 -
Biplanes.ga
Retro biplane dogfighting
6.323K48 -
Stomped.io
Stomp other players Mario-style
7.932K197 -
MonsterKill
Kill zombies and other players
8.227K147 -
Rock Paper Scissors
Classic rock-paper-scissors multiplayer
7.430K87 -
ShooteEm.io
Bounty hunter 2D shooter
7.623K54 -
Trapz.io
Climb through deadly traps arena
7.127K135 -
Raaaaft
Raft survival against other pirates
8.339K400 -
Beachball.online
Online volleyball multiplayer
8.221K107 -
Astrix.io
Space agar.io with ship upgrades
6.826K65 -
Warbot.io
Pilot a battle mech in 3D
8.632K180 -
Lier.io
2D arena shooter with weapon drops
7.529K81 -
Dark Nova
Dark 2D space shooter
7.323K46 -
Gotia.io
Medieval fantasy warrior arena
7.523K63 -
Bango.io
Chaotic physics football
7.225K63 -
Exocraft.io
Design and command space fleet
7.719K77 -
Obsidio
50-player platform brawler
7.016K35 -
Booster.space
Boost-powered space combat
8.315K48 -
Tanksmith.io
Build modular tanks and battle
8.227K281 -
GoBattle.io
2D MMORPG with quests
7.420K46 -
Gunfight.io
2D platform duel shooter
8.222K133 -
Nend.io
City life with generational legacy
7.220K50 -
BRUH.io
2D battle royale with huge map
7.837K539 -
Takemine.io
Build village, defend from raiders
8.231K233 -
EvoWorld.io
Evolve animals through the food chain
8.645K764 -
Creatur.io
Evolve from slug to dragon
8.431K288 -
Lordz.io
Command medieval armies agar-style
8.326K209 -
YORG.io
Tower defense against zombie waves
8.339K358 -
EvoWars.io
Agar.io with swords and evolution
8.067K1.4K -
Cocky.io
Poke opponents with growing stick
8.618K85 -
Zombs Royale
2D top-down battle royale
8.141K371 -
WarPixIO.online
3D arena character combat
7.919K160 -
Shell Shockers
Eggs with guns FPS mayhem
8.3113K1.8K -
CrazySteve.io
2D Minecraft-style survival
8.322K186 -
Defly.io
Helicopter territory capture battle
7.932K201 -
NitroClash.io
Car football with nitro boost
8.130K312 -
Erth.io
2D platformer RPG arena
7.921K95 -
BumpyBall.io
Physics football with bumper cars
7.740K288 -
Piaf.io
Birds in an agar.io pond
7.819K156 -
Frogar.io
Frogs with tongues in pond
8.418K204 -
Surviv.io
2D battle royale shooter
8.069K619 -
Powerline.io!
Neon cyberpunk snake arena
5.626K64 -
ZOMBS.io
Tower defense meets multiplayer combat
8.346K415 -
Tankar.io
Tank combat with agar growth
6.522K88 -
DRILLZ.io
Drill tunnels and ambush enemies
7.519K55 -
Go! Eat! Bomb!
Agar.io with explosive bombs
7.014K40 -
CellCraft.io
Simple cell-eating arena
8.125K180 -
Agar.bz
Classic agar.io cell gameplay
7.327K164 -
Trigon.io
Triangle geometry arena
5.314K9 -
PetriDish.pw
Agar.io in a scientific petri dish
7.730K121
What is an IO game?
IO game is a special kind of online game. First of all — IO game is a game which requires nothing to play but modern web browser and Internet connection. Second — IO game is free-to-play, massively multiplayer online game. Somebody in the Internet once described IO game as "A game that easy to understand yet hard to master". This is general yet very good description of the cool IO game. You can play it 5 minutes or you can play it 5 hours — in both cases you'll get a lot of fun. That's what make IO games really awesome!
There are different types of IO games. In fact you can find a game of any genre among all of IO games. It's not just simple action games like famous Agar.io or Slither.io. There are platformers, 2D shooters or racing. You can find even RPG IO games or real-time strategies. Today almost all popular game types can be found among IO games!