Megaquarium
Aquarium management sim about building exhibits and balancing animal needs
Twice Circled · Released Sep 13, 2018
- Reviews
- Overwhelmingly Positive
- 95% of 3,791
- Recent reviews
- Very Positive
- 90% of 20 in 30 days
- Playing now
- 29
- peak 24h 37
- Steam Deck
- Playable
- Last update
- 3 months ago
- Jun 5, 2026
Metacritic: 69/100 (critic reviews)
What is Megaquarium?
Starting with a few tanks, you grow an aquarium by designing exhibits, caring for marine animals, hiring staff, and serving guests while managing costs. The campaign sets objectives across levels, while sandbox mode has adjustable settings and generated challenges.
For you if...
- +you like building exhibits around different marine species
- +you enjoy balancing animal care with business decisions
- +you want campaign goals alongside a customizable sandbox
Not for you if...
- −you dislike planning around each animal's care requirements
- −you prefer decorating to managing staff, guests, and budgets
What players say
95% of 3,791 reviews are positive · 90% of 20 in the last 30 days
Players praise the aquarium planning and the variety of animals, as well as the campaign and sandbox modes. The most common complaint is an interface players find cumbersome or difficult to learn.
Screenshots and trailer
Megaquarium system requirements
As published by the developer.
Minimum
- OS
- Windows 7 64 bit
- Processor
- Intel Core i5-4690 or AMD Ryzen 7 2700U
- Graphics
- GeForce GTX 560 or AMD Radeon HD 7770
- Memory
- 8 GB RAM
- Storage
- 1 GB available space
Recommended
Requires a 64-bit processor and operating system
PC version details
DRM, required accounts, controller support and Steam features.
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS, Linux
- Achievements
- 25
- Steam features
- Workshop, Cloud saves, Family Sharing
Steam Deck: Playable
- Sometimes shows mouse, keyboard or non-Deck controller icons
- Some text entry requires manually opening the on-screen keyboard
- All functionality is accessible with the default controller configuration
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
- External controllers are not supported for the primary player
Multiplayer and co-op
Languages
Text only: English, French, German, Spanish - Spain, Polish, Russian, Simplified Chinese, Portuguese - Brazil, Italian, Japanese.
Tags
- Simulation
- Casual
- Building
- Sandbox
- Management
- Underwater
- Creature Collector
- Cute
- Relaxing
- Resource Management
- Indie
- Moddable
- Economy
- Family Friendly
- Fishing
- Strategy
Recent updates
- Jun 5, 2026 · v5.1.5 patch
- Apr 19, 2026 · v5.1.4 patch
- Apr 16, 2026 · v5.1.3 patch
- Apr 2, 2026 · v5.1.2 patch
- Mar 25, 2026 · v5.1.0 Replay the base campaign with collection DLCs plus other improvements
4 DLC available.
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