- Steam App
- Idle Sphere (3217600)
- Event type
- patch note
- Published
- 24 August 2026 - 12:53:05 UTC
- Source
- steam_community_announcements
- Added the first playable Topology progression cycle, connecting Topology, Celestial, and high-level Battle progression. - Added Idle Mileage rewards that strengthen Sphere generation and Battle Attack. - Past Arc purchases now automatically grant retroactive Mileage rewards. - Added Google account linking and shared cloud saves for Steam and mobile. - Significantly improved startup speed and overall UI responsiveness. - Fixed several empty, missing, or incorrectly updated interfaces.