Shooter games
First-person shooters and battle royales that run in a browser tab: Krunker, Shell Shockers, Kour and more. Pick a loadout, drop into a match and play against real people without installing anything.
Fast first-person shooter with bunny-hopping and slides. Pick a class and drop into a round.
First-person shooter where everyone is an egg. Crack the others.
Voxel first-person shooter with quick matches and weapon unlocks.
Low-poly first-person shooter with fast rounds and many modes.
Arena shooter with abilities and point capture on small maps.
2D battle royale from above. Loot guns, heal, outlast the red zone.
Top-down battle royale. 100 players drop on an island, the zone shrinks, last one standing. Still one of the busiest io games.
Open-source revival of surviv.io. 2D battle royale seen from above.
Arena shooter with jetpack-like movement and fast respawns.
Shooter with tanks, helicopters and jets in the same match.
Capture-the-flag with bows and arrows on castle maps.
Battle royale with Fortnite-style building. Harvest materials, throw up walls, shoot through the gaps.