Popular IO Games

Underwater agar.io: eat fish, grow giant

Fast-paced 3D browser shooter

Sleek 3D multiplayer shooter

Lead an underwater swarm of creatures

Evolve from mouse to dragon

Snake game with splitting swarms

Eggs with guns FPS mayhem

Infinite shared pixel canvas

Slither-style worms with team play

Browser MMORPG with quests and dungeons

Mine, upgrade, and battle in space

Gather, build, and survive in 2D

Top-down 2D urban shooter

2D battle royale shooter

Minecraft-style battle royale

Agar.io with swords and evolution

Minecraft meets FPS battle royale

3D mini battle royale

Naval warfare with ship upgrades

The classic snake arena game

Slither-style worms with abilities

Draw and guess words multiplayer

Evolve animals through the food chain

2D meme platformer with crafting

Pirate ship naval combat with crew

Tower defense meets multiplayer combat

Cute 3D fantasy MMORPG

Underwater evolution in food chain

2D top-down battle royale

Arena FPS with futuristic weapons

2D browser Minecraft multiplayer

Tower defense against zombie waves

Top-down multiplayer tank shooter

Fish with spears battle arena

Physics football with bumper cars

Battle royale with building mechanics

Paint territory, defend your tail

Raft survival against other pirates

Simple bubble-popping cell battle

Agar.io with spinning flail weapons

2D battle royale with huge map

Agar.io arena with melee weapons

Top-down zombie survival shooter

Fly a helicopter in agar.io style

Swing a chain mace at opponents

Craft, survive, fight dragons

Stomp other players Mario-style

Pilot a battle mech in 3D

Build base, defend, raid enemies

Vicious geese battle arena

Agar.io with clans and progression

Helicopter territory capture battle

Evolve from slug to dragon

Customize character, hunt big monsters

Build village, defend from raiders

Agar.io in a scientific petri dish

Car football with nitro boost

Classic rock-paper-scissors multiplayer

Two mini-games played at once

Team-based multiplayer football

Browser Settlers of Catan

2D arena shooter with weapon drops

Pixel FPS with jump pads

Bomb yourself through platforms

Capture hex territory arena

Classic agar.io cell gameplay

Synthwave hovertank shooter

2D space shooter with upgrades

Command medieval armies agar-style

Build modular tanks and battle

Kill zombies and other players

Serial killer Halloween stealth

Slither.io in Minecraft blocks

Climb through deadly traps arena

Neon cyberpunk snake arena

2D shooter with CTF and zombies

Space agar.io with ship upgrades

Drift racing multiplayer

Flappy Bird battle royale

Simple cell-eating arena

Chaotic physics football

2D arena deathmatch shooter

Level up, branch out, conquer

Countryball arena shooter