Announcement
Patch Notes
Audio New background music tracks have been added. UI & localization A “How to Play” screen has been added. You can open it by clicking the question mark (?) button shown below.
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ARC Aquarium
Also known as ARC Aquarium, aa, arc aquarium
Build and manage your own aquarium by collecting fish, earning money, and unlocking decorations. Feed your fish, clean the tank, and enjoy relaxing idle progression in this cozy 2D aquarium simulation.
Last update
24 May 2026
Latest update
Update history
Browse past updates and patch notes for this game.
5 updates
February 2026
- Patch NotesGameplay Fish death removed – Fish can no longer die from sickness. Sick fish stay sick until cured. Decor passive income – Decors now give passive gold while the game is open. Amount is based on the decor’s required le…
- Major UpdateBreeding feature has been added to fish. When female fish are fully mature and there is a male fish of the same species, breeding buttons will now appear. You can breed once every 24 hours and get eggs of the same fish…
January 2026
- Hello dear aquarium enthusiasts, Changes made; The feed button has been removed. You can now feed by right-clicking anywhere you want. You can hold the right mouse button. Food is now free and unlimited. Level-required…Store
- New features will comeNow your aquarium can get dirty. Features you didn't see in the trailer await you. The game will continue to be developed. Features planned for future additions: Ability to rotate decorations left and right. Adding soun…
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