PCGame

Subterror

First-person co-op horror in abandoned underwater domes and procedural dungeons

Team Monumental · Released Jan 3, 2025

ActionAdventureIndie

Reviews
Very Positive
90% of 474
Recent reviews
Not enough recent
Players
3
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
1 year ago
Apr 22, 2025
Minimum PC
Discrete
2 GB RAM · 1 GB disk
Full requirements

What is Subterror?

Subterror is a first-person underwater horror game you can play alone or with up to four players. You explore abandoned ocean-floor domes and their procedurally generated dungeons, gather supplies, and encounter creatures while investigating why the domes were built.

For you if...

  • +you like exploring procedural dungeons with friends
  • +you want the option to explore alone
  • +you enjoy horror set beneath the ocean

Not for you if...

  • −you prefer fixed layouts over procedurally generated dungeons
  • −you want exploration without lurking creatures or sudden scares

What players say

90% of 474 reviews are positive

Players praise the atmosphere, creature encounters, and scares they share with friends. Their main complaint is limited variety in maps, items, and monsters; some also want more updates.

Screenshots and trailer

Subterror screenshot 1

Subterror system requirements

Minimum: Discrete, 2 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run Subterror?

Tell us your graphics card once and every game page will answer this for you.

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Minimum

OS
64 bit Windows 7+
Processor
Dual core
Graphics
Discrete graphics card
Memory
2 GB RAM
Storage
1 GB available space
DirectX
Version 11

Does Subterror have co-op or multiplayer?

Yes: co-op online. It also has a single-player mode.

Does Subterror run on Steam Deck?

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

  • Default controller config not fully functional
  • 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
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
19
Steam features
Family Sharing
Languages
Text only: English.

Does Subterror 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 25, 2026. How to filter AI games on Steam

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