
When the truth is buried, go underground. Step into this new take on text-based adventure from the award-winning team behind Thomas Was Alone and Volume. A short story that hands you the fate of the world above, as a detective looking for answers on the Subsurface Circular.
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A detective stationed on the Subsurface Circular investigates a series of disappearances among the city’s robotic working class. Collect words and phrases, then use them in dialogue puzzles to uncover the world's secrets and determine its future.
This self-contained short story takes around two hours to complete and is split into several chapters. You can play the game in one sitting or, if you prefer, unfold the story in smaller pieces that can fit into a busier schedule.
Subsurface Circular is inspired by classic adventure games and modern dialogue systems, and developed by the award-winning team behind Thomas Was Alone and Volume.
Key FeaturesA polished, one-sitting game.
A graphical twist on the classic text-based adventure.
Uses 'Focus Points', a unique vocabulary-based inventory system.
Original soundtrack by Dan Le Sac.
Comprehensive art gallery featuring the detailed work that went into this world.
Unlockable ‘BithellBot’, our interactive take on a developer’s commentary.
If this game is ‘short’, what’s to stop me getting a refund when I’m done?
You’re browsing Steam, which means you understand the work that goes into games, and are in principle up for paying for ones that entertain you. We hope that after a bit of time with Subsurface Circular, you’ll feel good about the price you paid.
Why is the game only available in English?
As you can imagine, a text adventure game contains a terrifying amount of text, but more importantly, throughout the game we use the particular quirks of word ordering and double meaning in English to support the combination and recombination of threads. Put simply, other languages are going to be more than a straight translation: They’re going to need rewrites and changed design. Not impossible, but more than we could get done this time around.

Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English
Engagement
Hours played at review time, across 41 reviews with recorded playtime.
Reviews
Themes across 41 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
Perfect 1 session text based game.
Usually, almost all visual novels and even some text-based RPGs (yes, Disco Elysium, I am talking about you) are self-indulgent endless streams of yapping and flapping. They get boring and tiresome practice in the author's graphomania way before they reach the end. Subsurface Circular is different, and that's why it's good. It is focused, it has one straight cohesive narrative, and it doesn't indulge itself in an endless stream of words. If you ever wanted to try the visual novel genre but are too afraid of wasting your time on useless word-jerking, you should try Subsurface Circular.
Fantastic, short little visual novel. I truly enjoyed my time with it and would easily recommend it to anyone looking for a light little game with a deep, interesting story. Whole thing takes maybe 3 hours to beat, slightly more if you want to 100% the game, so keep that in mind. But the price point is very reasonable and the writing and music are top notch, so yeah, give it a go if you're interested.
This was an okay game. I did enjoy the concept of an android "priest", and the puzzle revolving around emotions was fun. However, as somebody who consumes a lot of sci-fi, this game didn't push any boundaries or ask any questions that haven't been asked before (or at least ask them in a fresh way).
🎮 Personal Review Tiers 1 – Exceptional | 2 – Great | 3 – Good | 4 – Average | 5 – Bad Subsurface Circular Review Tier: 2 - Great 📌 Disclaimer This review reflects my experience playing exclusively on Xbox Ally X. ✅ Pros - An engaging Orwellian sci-fi mystery with consistently well-written dialogue. - Designed to be completed in a single sitting, making excellent use of the player's time. - Exceptionally realised characters whose personalities and motivations make it easy to forget they are machines, while still cleverly operating within the framework of Asimov's Three Laws of Robotics. - Minimalist visual presentation that complements the game's setting and narrative. - Enjoyable light detective gameplay, combining dialogue analysis and logical deduction to uncover the truth. ❌ Cons - The single-environment setting becomes visually repetitive over the course of the game. - The narrative would have benefited from more meaningful player agency throughout, rather than relying on a largely binary decision at the conclusion. - Limited replay value once the mystery has been solved, with the developer commentary being the primary reason to return. 🎯 Final Thoughts Subsurface Circular is a tightly written narrative adventure that proves compelling storytelling doesn't require a large scope. Its memorable cast, intelligent writing and satisfying detective mechanics make for an enjoyable few hours, even if the lack of environmental variety and meaningful choices prevent it from reaching the next tier. While it won't leave a lasting impact through replayability, it succeeds in delivering a focused, thought-provoking experience that respects the player's time. If you're looking for a concise sci-fi mystery with strong writing and clever deductions, this is an easy recommendation. A smart, well-paced narrative adventure that values quality over quantity.
I enjoyed this short story but the ending is bad. If you make me choose my dialogue, I'm going to role play. If I'm role playing and you give me a choice, you better make sure the set of options contains at least the most obvious I might want to take. - What would you like to eat, dear, dinner or dessert? - Thanks, grandma, I'm not hungry. - THAT WAS NEVER AN OPTION, YOU LITTLE ♥♥♥♥. Overall my experience was positive, but overwhelmingly positive? Nah.
Court Visual Novel SF à l'histoire prenante et bien écrite et qui s'inscrit dans un écrin visuelle très soigné. Une petite gemme qui gagne à être plus mise en avant.
考虑到售价给个中评。 Subsurface Circular是一款互动小说,玩家扮演一个侦探机器人,在地铁上跟车厢里上上下下的其他机器人对话,解开近期频发的机器人失踪迷案。 游戏的玩法就是一直看对话,问到某些对话可以触发新关键字,然后可以用新关键字跟其他机器人触发新的对话,如此循环直至结局。 画面方面3D建模还算比较精细,但是由于视角固定且大部分时间光线相对昏暗,不同种类的机器人除了颜色以外又没有特别突出的特色,感觉制作组把好钢都用到了刀把上。 游戏没有语音,音乐和音效又比较单调,容易犯困。 作为游戏的重点,对话界面的设计方面有一个比较初级的问题:对话模仿即时通信软件,有类似“对方正在输入”的等待时间,但是一段话内容越长,等待输入的时间就越久。等的时间玩家无事可做,只能干瞪眼。 即使这样,单次通关的游戏时间也仅仅不到2个半小时,减去等待、过场还有一些“解谜”时间,这样的体量真的很难写好一个故事。加上没有什么有效的画面演出,整个游戏都非常平庸。
muy bueno la verdad es que es un poco largo pero muy bueno 10/10
Very good and concise narrative puzzle game. Good character writing, the setting is pretty interesting, and while a bit basic, I really like the Focus Point system. Pretty cheap too!
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Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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