A theme park management tycoon game with an aquatic twist. 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.
Recent Reviews:
Very Positive (66) - 93% of the 66 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (335) - 90% of the 335 user reviews for this game are positive.
Release Date:
Sep 13, 2018

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Recent updates View all (14)

December 15

Winter Update! v1.1.6

Howdy all and happy holidays!

The brand new Winter Update for Megaquarium is brimming with new features, improvements and even some new stuff to build!

New and improved Staff Management
Managing your staff just got a whole lot easier with a new and improved 'Manage' tab and zoning tool

The new 'Manage' tab shows your staff in a vertical list rather than a grid. Each row has enough space to show useful information such as what they are currently doing, which zone they are assigned to and what their skill priorities are.

What's more, you can directly adjust the skill priorities right from this tab, rather than having to bring up each individual staff window.

You can also get directly into the new and improved zoning tool by clicking on the zone button itself...

I'll be the first to admit that the old zoning tool needed some improvement, but I'm really proud of its replacement!

As you can see in the screenshot above, all the zones are shown at the same time and in different colours, so it's way easier to get a overview of how your zones are set up.

Even better you can now directly edit zones and reassign staff with a few easy clicks, all from inside the tool, no more having to go find each individual staff member just to edit a few zones.

The Chicago tank!
Players have been calling out for a new rounded tank that is larger than the Belfast or Small Tunnel Tank but not quite as big as the Mega Tank. One that comes out early enough in the ranks for your fully grown Spotted Eagle Rays.

Well, I listened! Introducing the brand new Chicago tank. Rather than just being a large version of the Belfast tank, I've tried to design something interesting.

This tank comes in two variants, one with the access on the inside edge, and one with the access on the outside. This means it can be used as an internal or external corner of your wall of tanks.

New large decorations
The update also comes with 6 new decorations spanning sizes between 2x2 all the way up to 6x3.

I'm also planning to add some brand new plants in the early part of next year. They are fully designed, I'm just waiting on the assets from my artist.

Steam cloud support
Some of you might wonder why the game didn't release with Steam Cloud support. The truth is that I had a fully functional version working pre-launch using Steam's own "auto-cloud" feature.

However, literally days before launch I discovered that the system had serious flaws including being unable to delete saves from the cloud, once they were up there. For me, this was totally unacceptable.

Therefore, I waited until now, when I had some more dev time, to implement a really robust version using the more complicated Steam Cloud API.

The bonus news about this is: with this in place, I'm halfway to implementing Steam Workshop, which should also land in the early part of next year!

Other changes
  • Added information about the max size an animal can eat when fully grown to its tooltip.
  • Slightly reduced volume of small tunnel tank.
  • Swapped Angel and Lemon shark ranks so that you have access to the Mega Tank at the same time as the Lemon Shark
  • Added difficulty tooltips on the main menu.
  • Redesigned animal animation system to avoid clipping issues and weird movement of larger animals.
  • Fixed various issues to do with animals eating each other.
  • Fixed bug where negative prestige would not show on prestige bar on load.
  • Fixed various minor graphical bugs.

As always, please let me know if you notice any bugs. I'm around until this Thursday and then I'm on my hols for a couple of weeks.

Happy holidays everyone! :steamhappy:
18 comments Read more

October 23

Patch v1.1.5

Hey guys, I've been super busy with a house move over the last week but I've still managed to squeeze out a little patch for you!

- Added staff priorities to level up messages.
- Added fully grown active swimmer requirement to tooltip.
- Fixed bug where cashflow was misreporting the costs of food, drink and gift shop items.
- Fixed bug where guide book and balloon refills were too cheap.
- Fixed bug where calcium reactor was free.
- Reduced number of horse eye jacks given as gift in Myra level from 5 to 3.
- Fixed bug with deep outcrop tank where staff would go inside temporarily if you dropped it on top of them.
- Fixed bug where Blue Whiting had no ecology point value.
- At end of day we don't auto drop items that are being carried by the player unless they are tanks or animals.
- Scenery no longer produce negative prestige if a guest sees it over and over.
- Clicking cancel task now drops the item making it slightly easier to force staff to do a particular job. (More stuff coming in this area!)
- Fixed bug where staff learned slightly slower on fast mode.

I'm still very busy with the house move but after I've moved I'll be back with more update goodness! :steamhappy:
16 comments Read more


“A charming watery theme park management game where fish are friends, not food. Until they eat each other or you forget to feed them.”
86 – PC Gamer

“Megaquarium is an fantastic tycoon title with a surprising amount of depth.”
85 – GamingTrend

“As a tycoon game, Megaquarium strikes a very nice balance between having too much complexity vs. not having enough depth to remain entertaining.”
80 – Gaming Nexus

About This Game

From the creator of Big Pharma comes a brand new economic simulation game. Megaquarium follows in the footsteps of classic theme park management tycoon games and adds an aquatic spin!

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!


  • 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

System Requirements

Mac OS X
SteamOS + Linux
    • 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
    • Requires a 64-bit processor and operating system
    • Requires a 64-bit processor and operating system
    • 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
    • Requires a 64-bit processor and operating system
    • Requires a 64-bit processor and operating system
    • 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
    • Requires a 64-bit processor and operating system

What Curators Say

37 Curators have reviewed this product. Click here to see them.
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