Barotrauma

2D co-op submarine survival horror built around teamwork and betrayal

FakeFish, Undertow Games · Published by Daedalic Entertainment · Released Mar 13, 2023

Reviews: Very Positive; 94% of 90K
Recent reviews: Very Positive; 92% of 506 in 30 days
Playing now: 1,625; right now
Steam Deck: Playable
Last update: 3 months ago; Jun 18, 2026

What is Barotrauma?

A 2D submarine survival horror game set beneath the icy surface of Jupiter’s moon Europa. Alone or with a crew, you navigate between missions, operate and repair ship systems, gather and craft supplies, explore ruins, and fight or flee sea monsters in a procedurally generated world.

For you if...

+you want cooperative, role-based crisis management
+you enjoy slow-building horror punctuated by sudden disasters
+you like detailed crafting, wiring, and medical systems

Not for you if...

−you mainly want a dependable solo campaign
−you dislike steep learning curves and detailed preparation
−you want constant action rather than tense downtime

What players say

94% of 89,896 reviews are positive · 92% of 506 in the last 30 days

Players most often praise the unpredictable co-op crises, tense underwater atmosphere, and detailed medical, wiring, and submarine systems. Players’ main complaint is that solo play requires constant micromanagement of unreliable bots; some also find later missions repetitive.

Screenshots and trailer

Barotrauma system requirements

As published by the developer.

Minimum

OS: Windows 7/8.1/10 (64-bit versions)
Processor: Dual Core 2.4 GHz
Graphics: 2 GB memory (dedicated VRAM or shared RAM), Shader Model 2.0+
Memory: 4 GB RAM
Storage: 2 GB available space
DirectX: Version 11
Notes: 64-bit operating system is required

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: 76
Steam features: Workshop, Cloud saves, Family Sharing, Trading cards

Steam Deck: Playable

Sometimes shows mouse, keyboard or non-Deck controller icons
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

Multiplayer and co-op

Languages

Text only: English, French, German, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, Spanish - Spain, Polish, Spanish - Latin America, Turkish, Japanese, Korean.