Subterror is a Action, Adventure game from Team Monumental with a 85% positive Steam review signal. Indie Lantern indexes it for players browsing by single-player, co-op.

Game snapshot
- Developer
- Team Monumental
- Release year
- 2025
- Playtime
- Varies by player
- Price
- $7.99
- Review signal
- 85% positive
Screenshots






System requirements
PC
- Minimum
- OS *: 64 bit Windows 7+
Processor: Dual core
Memory: 2 GB RAM
Graphics: Discrete graphics card
DirectX: Version 11
Storage: 1 GB available space
From Steam reviews
Review notes
Subterror is worth a closer look if you want great with friends, nautical, solo-friendly, and exploration.
Best for players who want nautical, strong atmosphere, great with friends, and solo-friendly.
Check more carefully if you dislike unclear onboarding.
great-with-friends
FitIt tends to be better when shared with friends.
nautical
SettingWater, boats, fishing, or sea travel are important to the feel.
solo-friendly
FitIt still makes sense as a solo play choice.
exploration
Play styleThe draw is moving through spaces, discovering details, and learning the world.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
confusing-onboarding
FrictionThe first hours can be unclear without patience or outside help.
Steam review snapshots
Edit: I would be down to do a 10 Quota SoloA super-casual – which isn't to say super-[i]easy[/i] – up-to-four players co-op/solo game in which you have to venture out into "biospheres"…A super-casual – which isn't to say super-[i]easy[/i] – up-to-four players co-op/solo game in which you have to venture out into "biospheres"…The pool of biospheres is modest, enemy types can be counted on one mitten, and once you’ve mastered vacuum arc length and…Why it fits
Check it if you want action, adventure filtered by single-player, co-op.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.