Claim territory by driving loops around it while everyone else tries to clip your tail before you make it home.
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Paper.io 2 sits in .io Arenas under Play, and we have it filed as instant — good within five seconds of loading. It reads as competitive and chaotic.
Open a tab, get dropped into a live match with strangers, die embarrassingly fast, immediately respawn. The purest loop the browser ever produced.
Be a cell, eat smaller cells, flee larger ones and split to ambush. The game that invented this entire genre in 2015.
Browser Minecraft with party modes bolted on — parkour, bed wars, one-block survival — and multiplayer that joins in one click.
Physics sumo where everybody is a circle, the only verb is shove, and the arena keeps getting smaller until someone falls off.
Start as a shrimp, eat, evolve into something with teeth, and repeat in an ocean full of players doing exactly the same thing.
A tank shooting polygons for experience, then branching down a surprisingly deep upgrade tree, from the maker of Agar.io.
A gentler descendant of Diep.io where you assemble a ring of petals around a flower and farm increasingly rude insects.
A voxel arena shooter that holds a high frame rate in a browser tab, with custom lobbies, a map editor and no install.
Capture the flag with bows and low-poly castles, where arcing a shot over a wall beats raw reflexes almost every time.