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Aer Isles

Demo available

Jonathan DevDiscovered Sep 21, 2026

About the game

Rise, knight. Reclaim the skies you were once promised. alone or with up to four friends. Cross ever-changing floating isles, survive chaotic encounters, gather Power, and strengthen your Bonk. Conquer the Aer Isles, or knock each other back trying.

Original Steam description

RISE, KNIGHT

The skies you were once promised have been taken hostage. Reclaim them alone or gather up to four friends and discover whether cooperation was a terrible mistake.

Aer Isles is a chaotic online co-op action game set across floating islands. Leap between them, survive dangerous encounters, battle strange creatures, and reach the beacon before your shared lives run out.

CROSS THE ISLES

Navigate bridges, wind lanes, and precarious jumps while enemies and hazards threaten to send your entire party into the clouds. Each expedition has a destination. Getting everyone there is the difficult part.

GATHER POWER. HIT HARDER.

Collect Power to strengthen your attacks and send enemies flying. Wield a swift katana or embrace the ancient art of the Bonk-but beware: Bokos can steal your Power.

SHARE THE ADVENTURE; AND THE CONSEQUENCES

Fight and travel together with online co-op and proximity voice chat. Your party shares a limited pool of lives, so every heroic rescue matters, and every poorly aimed Bonk becomes everyone’s problem.

Face the Isles alone or bring your friends. Cooperate, improvise, scream helpful instructions, and try not to launch the person carrying the team into the clouds.

Conquer the Aer Isles, or knock yourselves back trying.

Demo and release information

A Steam demo was found at the latest check. Confirm it is still available in your region on Steam before downloading.

Steam demo, playtest and Early Access: what is the difference?

Information & artwork: Steam · Last checked UTC