Game overview
Megaquarium
The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.
- Last tracked players
- 54
- All-time peak
- 405
- 24-hour change
- Unavailable
- Steam reviews
- 95.1% positive 3,374 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description

A living simulation
Starting with just a few tanks and the most basic of livestock, you’ll grow your aquarium to a thronging metropolis filled with hundreds of guests, tens of staff and a multitude of different aquatic lifeforms, each with their own unique care requirements.
Design your exhibits
Megaquarium features almost 100 different marine species including fish, sharks, crustaceans, corals, jellyfish, other invertebrates and even a turtle! You’ll be spoilt for choice as you design, decorate and populate your tanks.
The right staff for the job
You won’t get far without the right staff. Choose who to hire based on their skills and future potential. Will you train up a team of multi-disciplined staff or a set of super-focussed experts? You’ll have to weigh up the pros and cons of each strategy and work out what is right for your aquarium.
Research new animals and technology
As guests experience your displays you’ll earn points which you can assign to discovering new livestock and equipment. Keep upgrading and expanding your aquarium and work your way up to the most prestigious animals and displays in the aquarium industry.Manage your finances
The latest fish might look cool, but have you considered its impact on your aquarium’s bottom line. Tricky animals may require new staff to be hired, expensive fish food or supplements and the best tanks are a hefty investment! As aquarium curator you’ll need to master creativity and economics to succeed.
Manage your guests!
Keep your guests happy by providing them with seating, food, drinks and toilet facilities. Then at the end of their visit, direct them through the gift shop to boost your profits!Curator school
Start your career in the campaign mode where you’ll learn everything you need to know about designing and managing an aquarium. Each of the 10 levels challenges you to build an aquarium with unique gameplay conditions and objectives, while new features and concepts are explained along the way.
Dive into the sandbox
Next explore sandbox mode where, with customisable settings and a random challenge generator, you can find virtually unlimited fish-related gameplay!Easy to learn, difficult to master
Running an inefficient aquarium is easy. To really thrive and take on the greatest challenges you’ll need a lateral thinking brain and attention to detail. Will you group your animals by food type, water quality or something else entirely? Will you locate your equipment in a centralised hub using pumps or spread them out embracing the zoning system? How will you optimise your layout so that visitors can find your tanks and staff can easily access them?Every decision you make in Megaquarium has consequences. Your choice of animals, filters, tanks, staff and layout all have subtle and far reaching effects on each other. Experiment, adjust, learn, reapply and most importantly, have fun!
Features
- 10 level ‘learn the game’ campaign
- Sandbox mode with full customisation and random challenge generator
- 97 species of livestock to discover each with their own unique care requirements
- Over 100 different objects to place including filters, skimmers, nitrate reactors, chillers, heaters, food boxes, equipment stations, doors, gates, food and drink dispensers, balloon stands, decorations, paint and more!
- Plan staff talks down to the subject, time and frequency to increase your point income even further!
- Gift shop and guest facilities
- Fully featured theming and decoration system
Media gallery 7 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
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System requirements Windows · macOS · Linux
Windows
Minimum
Minimum:- Requires a 64-bit processor and operating system
- OS *: Windows 7 64 bit
- Processor: Intel Core i5-4690 or AMD Ryzen 7 2700U
- Memory: 8 GB RAM
- Graphics: GeForce GTX 560 or AMD Radeon HD 7770
- Storage: 1 GB available space
Recommended
Recommended:- Requires a 64-bit processor and operating system
macOS
Minimum
Minimum:- OS: OSX 10.10 or higher (64bit)
- Processor: 2x 6-Core Intel Xeon 2.66 GHz (Mac book pro circa 2016)
- Memory: 8 GB RAM
- Graphics: AMD Radeon HD 7950
- Storage: 1 GB available space
Recommended
Recommended:Linux
Minimum
Minimum:- OS: 64bit operating system
- Processor: Intel Core i5-4690 or AMD Ryzen 7 2700U
- Memory: 8 GB RAM
- Graphics: GeForce GTX 560 or AMD Radeon HD 7770
- Storage: 1 GB available space
Recommended
Recommended:Game details Languages, features & support
- Publisher
- Twice Circled
- Brazilian rating
- l
- Steam Germany rating
- 0
- Achievements
- 25
- Metacritic
- 69
- Features
- Single-player, Steam Achievements, Steam Workshop, Camera Comfort, Custom Volume Controls, Adjustable Difficulty, Mouse Only Option, Save Anytime, Stereo Sound, Steam Cloud, Family Sharing
- Languages
- English, French, German, Spanish - Spain, Polish, Russian, Simplified Chinese, Portuguese - Brazil, Italian, Japanese
- Website
- Official website ↗
- Support
- [email protected]
More analysis Activity patterns, updates & developer tools
Game Insights
Buy Verdict
Watch — $7.49.
Decent deal at 70% off, but might drop further. Watch for better opportunities.
▲
~46 days until next sale
Value Score
Great Value — 89th percentile.
Price-to-player ratio ranks in the 89th percentile. Priced as Market at $7.49.
▲
Market pricing tier
Genre Benchmarks
Player Count
Top 67%
Value Ratio
Top 11%
Activity Heatmap
UTC+0 (Your Timezone)
58
Peak Activity
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Avg Activity
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Active Hours
3%
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Developer Analytics
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Frequently Asked Questions
Is Megaquarium worth buying right now?
Watch — $7.49. Decent deal at 70% off, but might drop further. Watch for better opportunities.
When does Megaquarium go on sale?
Decent deal at 70% off, but might drop further. Watch for better opportunities.
Is Megaquarium free to play?
Megaquarium costs $7.49 on Steam.
What genre is Megaquarium?
Megaquarium is a Casual, Indie, Simulation, Strategy game.
Who developed Megaquarium?
Megaquarium was developed by Twice Circled and published by Twice Circled.
What platforms does Megaquarium support?
Available on Steam for Windows, macOS, Linux.
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