Megaquarium
Aquarium management sim about building exhibits and balancing animal needs
Twice Circled · Released Sep 13, 2018
- Reviews
- Overwhelmingly Positive
- 95% of 3,577
- Recent reviews
- Very Positive
- 100% of 14 in 30 days
- Players
- 57
- daily peak, Nov 7, 2026
- Steam Deck
- Playable
- Last update on Steam
- 4 days ago
- Nov 3, 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 3,577 reviews are positive · 100% of 14 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.
Players over time
▲ +3% vs a month agoPlayers online on Steam, one sample a day.
Highest since Sep 2026: 66 players on Oct 26, 2026.
Show the data
| Day | Players |
|---|---|
| Nov 7, 2026 | 57 |
| Nov 6, 2026 | 40 |
| Nov 5, 2026 | 38 |
| Nov 4, 2026 | 40 |
| Nov 3, 2026 | 46 |
| Nov 2, 2026 | 46 |
| Nov 1, 2026 | 57 |
| Oct 31, 2026 | 60 |
| Oct 30, 2026 | 50 |
| Oct 29, 2026 | 54 |
| Oct 28, 2026 | 48 |
| Oct 27, 2026 | 56 |
| Oct 26, 2026 | 66 |
| Oct 25, 2026 | 65 |
| Oct 24, 2026 | 59 |
| Oct 23, 2026 | 49 |
| Oct 22, 2026 | 30 |
| Oct 21, 2026 | 34 |
| Oct 20, 2026 | 36 |
| Oct 19, 2026 | 46 |
| Oct 18, 2026 | 41 |
| Oct 17, 2026 | 41 |
| Oct 16, 2026 | 29 |
| Oct 15, 2026 | 0 |
| Oct 14, 2026 | 40 |
| Oct 13, 2026 | 42 |
| Oct 12, 2026 | 52 |
| Oct 11, 2026 | 56 |
| Oct 10, 2026 | 43 |
| Oct 9, 2026 | 48 |
| Oct 8, 2026 | 42 |
| Oct 7, 2026 | 51 |
| Oct 6, 2026 | 43 |
| Oct 5, 2026 | 47 |
| Oct 4, 2026 | 40 |
| Oct 3, 2026 | 51 |
| Oct 2, 2026 | 40 |
| Oct 1, 2026 | 29 |
| Sep 30, 2026 | 33 |
| Sep 29, 2026 | 34 |
| Sep 28, 2026 | 29 |
| Sep 27, 2026 | 30 |
| Sep 26, 2026 | 39 |
| Sep 25, 2026 | 34 |
| Sep 24, 2026 | 31 |
| Sep 23, 2026 | 29 |
| Sep 23, 2026 | 37 |
| Sep 22, 2026 | 37 |
| Sep 21, 2026 | 32 |
How many players finish Megaquarium?
8.7% of Steam players have unlocked «Complete 10. Megalopolis», the achievement for finishing the main story.
Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.
Screenshots and trailer
Megaquarium system requirements
Minimum: GeForce GTX 560, 8 GB RAM, 1 GB of disk space.
As published by the developer.
Can my PC run Megaquarium?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →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
Does Megaquarium have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Megaquarium run on Steam Deck?
Playable Playable: it runs on Steam Deck with some adjustments.
- 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
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, macOS, Linux
- Achievements
- 25
- Steam features
- Workshop, Cloud saves, Family Sharing
- Languages
- Text only: English, French, German, Spanish - Spain, Polish, Russian, Simplified Chinese, Portuguese - Brazil, Italian, Japanese.
Does Megaquarium use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam
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.