ARC Aquarium CD Key
Relaxing 2D idle aquarium sim: collect 85 fish, decorate with 86 items across 9 backgrounds, feed and clean to grow fish and earn EXP. Idle and offline progress keeps your tank alive, with a calm, no time pressure progression and simple economy.
Looking for the best price for ARC Aquarium? Compare offers from 1 stores on CheckGamePrices to find the cheapest Steam key available. Right now, the lowest price is 0.99$ at Steam.
Current Lowest Price
0.99$
Visit store
Release Date
30 Jan, 2026
Publisher/Developer
ACA Games
Reviews
Steam: 100.00% positive (13/13)
Metacritic: -
ARC Aquarium Steam Price History Chart
Current Steam price: 0.99$
Lowest Steam price ever: 0.49$ — 2026-07-09
Lowest Steam price ever: 0.49$ — 2026-07-09
Loading ARC Aquarium price history chart...
ARC Aquarium description
ARC Aquarium
Create, customize, and manage your own aquarium in a soothing 2D idle simulation. Watch your tank grow over time—whether you’re actively playing or away—through calm progression, gentle visuals, and a simple, peaceful pace.
Collect and Grow Your Fish
- Acquire 85 unique fish species, each with its own visuals, price, and level requirement.
- Feed fish to help them gain EXP and visually grow over time.
- Fish continue growing via idle and offline progression, with natural swimming animations and gentle bubble effects.
Decorate and Personalize
- Unlock and place 86 decorations with free movement, resizing, and selling options.
- Control depth and layout with smooth layering and visual sorting.
- Change the look of your aquascape with 9 different backgrounds.
Relaxing Progression and Economy
- Level up by earning EXP to unlock new fish, decorations, and backgrounds.
- Manage tank capacity as you progress and earn money by growing and selling fish or decorations.
- Enjoy a simple, calm economy designed for stress-free gameplay.
Keep It Clean
- Dirt appears over time, even when the game is closed.
- Click to clean dirt and earn bonus EXP, adding a light interactive element without disrupting the relaxing flow.
Idle & Offline Friendly
- Your aquarium continues progressing while you’re away; fish gain EXP automatically over time.
- Dirt and growth reflect real elapsed time, so returns reveal tangible progress.
Accessible and Calm
- Globally friendly experience with 23 languages and fully localized UI.
- Automatic save keeps your progress safe; simple controls suit all ages.
- Designed to be a peaceful experience with no time pressure or failure states—watch your aquarium come to life at your own pace.
Key facts: 85 fish, 86 decorations, 9 backgrounds, and offline-friendly progression that fits your schedule.