Defend a growing rift against swarms. Strategically expand your keep and spend resources to bring cores home. Enjoy live co-op multiplayer for up to four players.
1.1.0
September 15, 2026
7 days free, then Forge slot, 1.25× cores, +40 gems.
Aether Bastion is an idle rift defense game where players grow their keep and defend against swarms. It features strategic resource management and live co-op multiplayer.
No, Aether Bastion is ad-free. The game is free to play and offers optional in-app purchases for gems.
Aether Bastion supports live co-op for 2 to 4 players via Game Center, with each player on their own device.
Aether Bastion is available on iPhone, iPad, Mac, and Apple TV.
Upcoming seasonal events include Ember Tide on October 2, Mid Tide on November 16, and Solstice on December 21.
Aether Bastion has an age rating of 9+, making it suitable for younger players and families.
The latest version is 1.1.0, released on September 15, 2026, indicating recent development and ongoing support.
The primary in-app purchase mentioned is for gems, which are available to Founders. The game focuses on growth and spending scrap within runs.
