Megaquarium is a Casual, Simulation, Strategy game from Twice Circled with a 96% positive Steam review signal. Indie Lantern indexes it for players browsing by relaxing, tense, single-player.

Game snapshot
- Developer
- Twice Circled
- Release year
- 2018
- Playtime
- Varies by player
- Price
- $24.99
- Review signal
- 96% positive
Screenshots






System requirements
PC
- 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
- Requires a 64-bit processor and operating system
macOS
- 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
Linux
- 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
From Steam reviews
Review notes
Megaquarium is worth a closer look if you want management, strong atmosphere, controller friendly, and automation.
Best for players who want strong atmosphere, management, controller friendly, and automation.
management
Play styleThe game asks you to run, improve, or balance a system over time.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
controller-friendly
FitController, gamepad, or Steam Deck play comes up as a plus.
automation
Play styleThe fun is in making systems run by themselves.
Steam review snapshots
If you enjoyed the old school Sims Safari/Sims Park/Zoo Tycoon it has all the nostalgic feelings and brings that same spark of…And because the game lets you walk around your aquarium, you really start wishing there were more detail and atmosphere.The game is pretty good if you are coming from factory games.it actually plays amazingly on steam deck tooWhy it fits
Check it if you want casual, simulation filtered by relaxing, tense, single-player.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.