Update history
Latest ARC Aquarium updates
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- ARC Aquarium
Fish Health Fix: Cures Now Work, and Sickness Takes 7 Days
Fixed cures not working: a cured fish now stays healthy instead of falling sick again seconds later. Fish now need 7 days without food to get sick, up from 24 hours, and time spent in a background tank no longer counts…
Announcement1 changeFix - ARC Aquarium
125 New Decorations, Steam Achievements & a Critical Save Fix
125 new decorations The decoration catalogue has been rebuilt from the ground up. The old 86 decorations are gone, replaced by 125 hand-drawn aquatic species — freshwater plants, seagrasses, macroalgae, hard corals, LPS…
Store9 changesFixGameplay - ARC Aquarium
The Multi-Tank Update — 4 aquariums, offline earnings, weekly goals
The Multi-Tank Update Your aquarium just became four aquariums. This update adds multiple tanks, offline earnings, weekly goals, booster packs and 14 new backgrounds — plus a rebuilt progression curve so the full collec…
Event20 changesFixGameplay - ARC Aquarium
The Living Aquarium Update — 125 Fish, Collections, Rewards & More
This is our largest update yet! ARC Aquarium has been expanded with 125 fish species, a permanent collection catalog, new rewards, achievements, redesigned menus, improved performance, and many quality-of-life features.…
Event66 changesFixPerformance - ARC Aquarium
Smarter Feeding, Decor Income & UI Customization
Patch Notes Gameplay Feeding behavior improved: Only hungry fish near the food swim toward it, instead of the entire tank rushing at once. Right-click to feed: Hold the right mouse button to drop food (documented in How…
Store5 changes1 numericFix - ARC Aquarium
bug fix
bug fix
Announcement - ARC Aquarium
UI Overhaul & Smoother Fish Swimming
This update gives the game a cleaner, more modern look and improves how your fish move. User Interface - Redesigned the entire UI with a refreshed color palette and consistent, modern styling. - New compact info panel (…
Announcement2 changesBalanceGameplay - ARC Aquarium
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.
Announcement2 changesUI/audio - ARC Aquarium
Patch Notes
Gameplay 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…
Announcement2 changesUI/audio - ARC Aquarium
Major Update
Breeding 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…
Announcement4 changesGameplayUI/audio - ARC Aquarium
UI and Small Changes
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…
Store7 changesUI/audioGameplay - ARC Aquarium
New features will come
Now 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…
Event5 changesGameplayUI/audio


