PCGame

Subsurface Circular

A text-based mystery solved through conversations on a robot subway

Bithell Games · Released Aug 17, 2017

AdventureCasualIndie

Reviews
Overwhelmingly Positive
95% of 1,576
Recent reviews
Not enough recent
Players
0
daily peak, Oct 30, 2026
Steam Deck
Playable
Last update on Steam
9 years ago
Aug 19, 2017
Minimum PC
Dedicated 2048 MB+
8 GB RAM · 1 GB disk
Full requirements

Metacritic: 83/100 (critic reviews)

What is Subsurface Circular?

This single-player adventure casts you as a detective investigating disappearances among a city's robotic workers. You collect words and phrases, then use them to solve dialogue puzzles as the story unfolds across several chapters.

For you if...

  • +you enjoy science fiction about automation and artificial intelligence
  • +you prefer stories you can finish in one sitting

Not for you if...

  • −you prefer action and exploration over reading lengthy conversations

What players say

95% of 1,576 reviews are positive

Players praise the story and visual presentation. Recent reviews describe a mostly linear experience; a negative review criticizes the lack of freedom to investigate or make independent deductions.

Screenshots and trailer

Subsurface Circular screenshot 1

Subsurface Circular system requirements

Minimum: Dedicated 2048 MB+, 8 GB RAM, 1 GB of disk space.

As published by the developer.

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Minimum

OS
Windows 7
Processor
2.5 GHz
Graphics
Dedicated 2048 MB+
Memory
8 GB RAM
Storage
1 GB available space

Does Subsurface Circular have co-op or multiplayer?

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

Does Subsurface Circular run on Steam Deck?

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

  • 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
Achievements
13
Steam features
Cloud saves, Family Sharing
Languages
Text only: English.

Does Subsurface Circular 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

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