Twice Circled

Megaquarium

Game First reported release

Game details

First release year
2018

Platforms

Genres

Play modes

  • single-player video game

Players by platform

  • Microsoft Windows*
    Maximum players (mode unspecified)
    1*

Steam version platforms

  • Windows*
    Supported
    Yes*
  • macOS*
    Supported
    Yes*
  • Linux*
    Supported
    Yes*

Store genres

  • Casual*
  • Indie*
  • Simulation*
  • Strategy*

Game features

  • Single-player*
  • Steam Achievements*
  • Steam Workshop*
  • Steam Cloud*
  • Family Sharing*

Interface languages

  • English*
  • French*
  • German*
  • Spanish - Spain*
  • Polish*
  • Russian*
  • Simplified Chinese*
  • Portuguese - Brazil*
  • Italian*
  • Japanese*

Community tags · historical

  • Casual*
    Votes · historical
    208*
  • Simulation*
    Votes · historical
    208*
  • Building*
    Votes · historical
    200*
  • Sandbox*
    Votes · historical
    191*
  • Management*
    Votes · historical
    187*
  • Underwater*
    Votes · historical
    184*
  • Creature Collector*
    Votes · historical
    182*
  • Cute*
    Votes · historical
    172*
  • Relaxing*
    Votes · historical
    135*
  • Resource Management*
    Votes · historical
    128*
  • Indie*
    Votes · historical
    123*
  • Moddable*
    Votes · historical
    116*
  • Economy*
    Votes · historical
    107*
  • Family Friendly*
    Votes · historical
    100*
  • Fishing*
    Votes · historical
    96*
  • Strategy*
    Votes · historical
    91*
  • Capitalism*
    Votes · historical
    69*
  • Singleplayer*
    Votes · historical
    68*
  • Isometric*
    Votes · historical
    38*
  • 3D*
    Votes · historical
    34*

System requirements

  • Windows · Minimum*
    Operating system
    Windows 7 64 bit*
    Processor alternatives
    Intel Core i5-4690 or AMD Ryzen 7 2700U*
    Memory
    8 GB RAM*
    Graphics alternatives
    GeForce GTX 560 or AMD Radeon HD 7770*
    Storage
    1 GB available space*
    Conditions
    Requires a 64-bit processor and operating system*
  • Linux · Minimum*
    Operating system
    64bit operating system*
    Processor alternatives
    Intel Core i5-4690 or AMD Ryzen 7 2700U*
    Memory
    8 GB RAM*
    Graphics alternatives
    GeForce GTX 560 or AMD Radeon HD 7770*
    Storage
    1 GB available space*
  • macOS · Minimum*
    Operating system
    OSX 10.10 or higher (64bit)*
    Processor alternatives
    2x 6-Core Intel Xeon 2.66 GHz (Mac book pro circa 2016)*
    Memory
    8 GB RAM*
    Graphics alternatives
    AMD Radeon HD 7950*
    Storage
    1 GB available space*

Compatibility and community reports

  • Linux · Community reports · 2026-06-27*
    Community Linux compatibility tier
    Platinum*
    Reports
    6*
    Community confidence
    low*
  • Steam Deck · 2026-06-27*
    Compatibility category
    Playable*

Studios & publishers

Developers

  • Twice Circled

Publishers

  • Twice Circled

Release history

  • 2018-09-13
    Date precision
    Exact date
  • 2018-09-12 · Microsoft Windows*
    Release date
    2018-09-12*
    Date precision
    Exact date*
    Platform
    Microsoft Windows*

Store release history

  • Steam*
    Release date
    Sep 13, 2018*

System configuration

Detailed specifications

Specifications 1 · 8 fields
Windows minimum processor requirement
Intel Core i5-4690 or AMD Ryzen 7 2700U*
Windows minimum graphics requirement
GeForce GTX 560 or AMD Radeon HD 7770*
Windows minimum memory requirement
8* GB
Name
Megaquarium*
Release year
2,018*
Windows minimum processor requirement
Windows · Minimum
Processor alternatives
Intel Core i5-4690 or AMD Ryzen 7 2700U*
Windows minimum graphics requirement
Windows · Minimum
Graphics alternatives
GeForce GTX 560 or AMD Radeon HD 7770*
Windows minimum memory requirement
Windows · Minimum
Memory
8 GB*
Specifications 2 · 6 fields
Developers · Microsoft Windows
Twice Circled
Twice Circled*
Genres · Microsoft Windows
construction and management simulation
construction and management simulation*
life simulation game
life simulation game*
strategy video game
strategy video game*
Maximum players (mode unspecified) · Microsoft Windows
Microsoft Windows
Maximum players (mode unspecified)
1*
Platform
Microsoft Windows
Microsoft Windows*
Publishers · Microsoft Windows
Twice Circled
Twice Circled*
Release date · Microsoft Windows
2018-09-12 · Microsoft Windows
Release date
2018-09-12*
Date precision
day*
Platform
Microsoft Windows*
Specifications 3 · 33 fields
Achievements · historical
23*
Mean playtime over the reported two-week window (historical)
0* min
Mean playtime since March 2009 (historical)
666* min
Features
  • Single-player*
  • Steam Achievements*
  • Steam Workshop*
  • Steam Cloud*
  • Family Sharing*
Developers
  • Twice Circled*
DLC count · historical
3*
Estimated ownership range (historical)
200000 - 500000*
Store genres
  • Casual*
  • Indie*
  • Simulation*
  • Strategy*
Linux support · historical
Yes*
macOS support · historical
Yes*
Median playtime over the reported two-week window (historical)
0* min
Median playtime since March 2009 (historical)
282* min
Metacritic score
69*
Name
Megaquarium*
Negative reviews · historical
165*
Peak ccu
39*
Positive reviews · historical
3,209*
Price (historical; currency unreported)
7.49*
Publishers
  • Twice Circled*
Recommendations
3,151*
Store release date · historical
Sep 13, 2018*
Interface languages
  • English*
  • French*
  • German*
  • Spanish - Spain*
  • Polish*
  • Russian*
  • Simplified Chinese*
  • Portuguese - Brazil*
  • Italian*
  • Japanese*
Game website · historical
http://www.megaquariumgame.com*
Windows support · historical
Yes*
Features
Single-player
Single-player*
Steam Achievements
Steam Achievements*
Steam Workshop
Steam Workshop*
Steam Cloud
Steam Cloud*
Family Sharing
Family Sharing*
Developers
Twice Circled
Twice Circled*
Store genres
Casual
Casual*
Indie
Indie*
Simulation
Simulation*
Strategy
Strategy*
Linux support · historical
Linux
Supported
Yes*
macOS support · historical
macOS
Supported
Yes*
Publishers
Twice Circled
Twice Circled*
Store release date · historical
Steam
Release date
Sep 13, 2018*
Interface languages
  • English*
  • French*
  • German*
  • Spanish - Spain*
  • Polish*
  • Russian*
  • Simplified Chinese*
  • Portuguese - Brazil*
  • Italian*
  • Japanese*
Windows support · historical
Windows
Supported
Yes*
Specifications 4 · 21 fields
Mean playtime over the reported two-week window (historical)
0* min
Mean playtime since March 2009 (historical)
1,095* min
Ccu
39*
Developer
Twice Circled*
Historical discount
70* %
Store genres
  • Casual*
  • Indie*
  • Simulation*
  • Strategy*
Historical US original list price
2,499* US cents
Languages
  • English*
  • French*
  • German*
  • Spanish - Spain*
  • Polish*
  • Russian*
  • Simplified Chinese*
  • Portuguese - Brazil*
  • Italian*
  • Japanese*
Median playtime over the reported two-week window (historical)
0* min
Median playtime since March 2009 (historical)
649* min
Name
Megaquarium*
Negative reviews · historical
165*
Estimated ownership range (historical)
200,000 .. 500,000*
Positive reviews · historical
3,209*
Historical US price
749* US cents
Publisher
Twice Circled*
Community tags · historical
  • Casual*
  • Simulation*
  • Building*
  • Sandbox*
  • Management*
  • Underwater*
  • Creature Collector*
  • Cute*
  • Relaxing*
  • Resource Management*
  • Indie*
  • Moddable*
  • Economy*
  • Family Friendly*
  • Fishing*
  • Strategy*
  • Capitalism*
  • Singleplayer*
  • Isometric*
  • 3D*
Store genres
Casual
Casual*
Indie
Indie*
Simulation
Simulation*
Strategy
Strategy*
Languages
  • English*
  • French*
  • German*
  • Spanish - Spain*
  • Polish*
  • Russian*
  • Simplified Chinese*
  • Portuguese - Brazil*
  • Italian*
  • Japanese*
Community tags · historical
Casual
Casual*
Simulation
Simulation*
Building
Building*
Sandbox
Sandbox*
Management
Management*
Underwater
Underwater*
Creature Collector
Creature Collector*
Cute
Cute*
Relaxing
Relaxing*
Resource Management
Resource Management*
Indie
Indie*
Moddable
Moddable*
Economy
Economy*
Family Friendly
Family Friendly*
Fishing
Fishing*
Strategy
Strategy*
Capitalism
Capitalism*
Singleplayer
Singleplayer*
Isometric
Isometric*
3D
3D*
Tags votes
Casual
Votes · historical
208*
Simulation
Votes · historical
208*
Building
Votes · historical
200*
Sandbox
Votes · historical
191*
Management
Votes · historical
187*
Underwater
Votes · historical
184*
Creature Collector
Votes · historical
182*
Cute
Votes · historical
172*
Relaxing
Votes · historical
135*
Resource Management
Votes · historical
128*
Indie
Votes · historical
123*
Moddable
Votes · historical
116*
Economy
Votes · historical
107*
Family Friendly
Votes · historical
100*
Fishing
Votes · historical
96*
Strategy
Votes · historical
91*
Capitalism
Votes · historical
69*
Singleplayer
Votes · historical
68*
Isometric
Votes · historical
38*
3D
Votes · historical
34*
Specifications 5 · 29 fields
Features
  • Single-player*
  • Steam Achievements*
  • Steam Workshop*
  • Steam Cloud*
  • Family Sharing*
Developers
  • Twice Circled*
Store genres
  • Casual*
  • Indie*
  • Simulation*
  • Strategy*
Free to play · historical
No*
Linux requirements
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 *
macOS requirements
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 *
Metacritic score
69*
Name
Megaquarium*
Windows requirements
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 *
Platforms
  • windows*
  • mac*
  • linux*
Historical price currency
USD*
Discount percentage (historical)
0*
Historical store price
$24.99*
Publishers
  • Twice Circled*
Recommendations total
3,137*
Coming soon · historical store status
No*
Store release date · historical
Sep 13, 2018*
Interface languages
English, French, German, Spanish - Spain, Polish, Russian, Simplified Chinese, Portuguese - Brazil, Italian, Japanese*
Type
game*
Features
Single-player
Single-player*
Steam Achievements
Steam Achievements*
Steam Workshop
Steam Workshop*
Steam Cloud
Steam Cloud*
Family Sharing
Family Sharing*
Developers
Twice Circled
Twice Circled*
Store genres
Casual
Casual*
Indie
Indie*
Simulation
Simulation*
Strategy
Strategy*
Linux requirements
Linux · Minimum
Operating system
64bit operating system*
Processor alternatives
Intel Core i5-4690 or AMD Ryzen 7 2700U*
Memory
8 GB RAM*
Graphics alternatives
GeForce GTX 560 or AMD Radeon HD 7770*
Storage
1 GB available space*
macOS requirements
macOS · Minimum
Operating system
OSX 10.10 or higher (64bit)*
Processor alternatives
2x 6-Core Intel Xeon 2.66 GHz (Mac book pro circa 2016)*
Memory
8 GB RAM*
Graphics alternatives
AMD Radeon HD 7950*
Storage
1 GB available space*
Windows requirements
Windows · Minimum
Operating system
Windows 7 64 bit*
Processor alternatives
Intel Core i5-4690 or AMD Ryzen 7 2700U*
Memory
8 GB RAM*
Graphics alternatives
GeForce GTX 560 or AMD Radeon HD 7770*
Storage
1 GB available space*
Conditions
Requires a 64-bit processor and operating system*
Platforms
Windows
Supported
Yes*
macOS
Supported
Yes*
Linux
Supported
Yes*
Publishers
Twice Circled
Twice Circled*
Store release date · historical
Steam
Release date
Sep 13, 2018*
Interface languages
  • English*
  • French*
  • German*
  • Spanish - Spain*
  • Polish*
  • Russian*
  • Simplified Chinese*
  • Portuguese - Brazil*
  • Italian*
  • Japanese*
Specifications 6 · 15 fields
Co-op listed on Steam · 2026-06-27
No*
Steam Deck compatibility · 2026-06-27
playable*
Store genres
Casual|Indie|Simulation*
Local co-op listed on Steam · 2026-06-27
No*
Owners-based popularity rank · 2026-06-27
4,473*
Community Linux rating confidence · 2026-06-27
low*
Community Linux report count · 2026-06-27
6*
Community Linux compatibility tier · 2026-06-27
platinum*
PvP listed on Steam · 2026-06-27
No*
Steam release year · historical
2,018*
Title
Megaquarium*
Coming soon · historical Steam listing
No*
Steam Deck compatibility · 2026-06-27
Steam Deck · 2026-06-27
Compatibility category
Playable*
Store genres
Casual
Casual*
Indie
Indie*
Simulation
Simulation*
Community Linux compatibility tier · 2026-06-27
Linux · Community reports · 2026-06-27
Community Linux compatibility tier
Platinum*
Reports
6*
Community confidence
low*

* Provisional data