Buy Mermaid Aquarium PC Key

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When does Mermaid Aquarium come out? The game has not reached any of the stores we track yet, so there is no price so far. Once the first offers appear we will start recording their history from release day, so later you will be able to see how the price moved from the start. Set an alert and we will write when the game goes on sale.

Release: 27 Aug 2027
Ero Echo Studio
Ero Echo Studio
Official
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Keyshops
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About Mermaid Aquarium

Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium
Mermaid Aquarium - about the game

Mermaid Aquarium is a casual simulation game set on PC where players restore a ruined royal aquarium into a thriving underwater sanctuary. The story begins after the waters recede, leaving behind an empty dome and silent cases, with one persistent fish tail as the starting point. Players step into the role of a caretaker who nurtures marine life while exploring the dual nature of a central mermaid character capable of shifting between human legs under moonlight and her true deep-sea form.

Gameplay

The core loop centers on gradual expansion through careful management of aquatic inhabitants. Players begin with basic fish fry that receive automatic feeding as they mature into sellable adults, generating coins for further investments. These earnings support upgrades to facilities, acquisition of rarer species, and the addition of decorative elements such as corals, lighting setups, and plant arrangements. Every decision shapes the overall atmosphere and layout of the tanks, turning individual displays into personalized underwater environments.

Collection plays a central role, with opportunities to gather deep-sea creatures ranging from common glowing fish to elusive rare varieties. Design choices extend beyond basic placement, allowing customization of tank layouts to reflect unique visions for the space. The mermaid protagonist adds narrative depth through form switching, which alters perspectives and reveals distinct inner reflections tied to each state, all while maintaining continuity of the same underlying character.

Game Modes

Progression unfolds through a single-player simulation experience focused on incremental growth and creative expression. The primary activity involves cycling through purchase, nurturing, sale, and reinvestment steps to unlock new options, including special mermaids that feature multiple growth stages and performance elements. No separate competitive or multiplayer modes appear in the available details, keeping the emphasis on solitary care and discovery within the aquarium setting.

Key Features

Players restore ancient facilities alongside stocking tanks, balancing resource flow to support both everyday fish and more exotic additions. Lighting and plant selections influence the visual appeal and mood of each area, encouraging experimentation with combinations that suit different themes. The dual-form mechanic integrates directly into exploration and storytelling, providing varied viewpoints without altering the fundamental goal of rebuilding a living ocean exhibit.

Attention to detail extends to the background narrative of the mermaid figure, who recalls individual fish names even after others depart, framing the experience around themes of companionship and quiet preservation rather than large-scale conflict.

Is It Worth Playing?

This title suits players who enjoy relaxed management simulations with creative building elements and light narrative touches. The steady progression from basic stock to rare collections and custom designs offers a satisfying sense of development for those drawn to aquarium-style gameplay. The inclusion of the mermaid's form-switching adds a personal layer that may appeal to fans of character-driven stories within simulation frameworks. As an upcoming release, its value will depend on how well the systems deliver on the described loop once available, particularly for audiences seeking peaceful, incremental experiences over high-stakes action.

Interface:
EnglishSimplified Chinese
Subtitles:
EnglishSimplified Chinese

Age rating

Unavailable
Historical low
Price history from official stores
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FAQ

8 questions

Before you start looking for a cheap Mermaid Aquarium PC key, check the essentials. Developed by Ero Echo Studio. Published by Ero Echo Studio. PC released date: 27 Aug 2027. Genres: Casual, Simulation. Categories: Family Sharing, Single-player, Steam Achievements, Custom Volume Controls, Keyboard Only Option, Mouse Only Option, Playable without Timed Input, Save Anytime, Stereo Sound.

Q

Where to buy a cheap Mermaid Aquarium Steam key or CD key?

There are currently no active offers for Mermaid Aquarium. Set a price alert on XD.deals and we will notify you the moment a deal becomes available.

We don't have a current Steam Store price for Mermaid Aquarium. The game may be temporarily unavailable or not yet listed on Steam.

Our price tracker covers both official retailers and key marketplaces, so you can find Mermaid Aquarium on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Mermaid Aquarium is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Mermaid Aquarium has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks Mermaid Aquarium as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data Mermaid Aquarium is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Mermaid Aquarium deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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