Biotope

Aquarium management simulator built around fish care and water chemistry

MBL Development · Released Jul 23, 2019 · Early Access

Early Access, no updates for over a year

Reviews: Mixed; 41% of 196
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Playable
Last update on Steam: 1 year ago; Dec 29, 2024
Minimum PC: OpenGL 3.2 compatible wit…; 2 GB RAM · 1 GB disk; Full requirements

What is Biotope?

A single-player aquarium simulation where you breed and trade fish and plants, arrange decorations, and choose filters, pumps, and lamps. You start with an empty tank or an Amazon or Malawi setup, manage a monthly budget, and complete quests to fund expansion.

For you if...

+you enjoy tinkering with detailed simulations of living systems

Not for you if...

−you want aquarium decoration without ongoing animal care

What players say

41% of 196 reviews are positive

Players praise the simulation’s depth and opportunities to tinker. Recent reviews report blank tanks, broken menus, and trouble starting new aquariums, alongside criticism of limited species selection and a lack of ongoing support.

Screenshots and trailer

Biotope system requirements

Minimum: OpenGL 3.2 compatible wit…, 2 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run Biotope?

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Minimum

OS: 32-bit Windows 7
Processor: 2 GHz dual core processor with SSE 4.2 support
Graphics: OpenGL 3.2 compatible with 256 MB RAM
Memory: 2 GB RAM
Storage: 1 GB available space

Does Biotope have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Biotope run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Steam features: Family Sharing
Languages: Text only: English, German, Japanese.

Does Biotope 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