What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~18.1k
(P10–P90: 7.2k – 39.7k)
Gross revenue: ~$118k
(P10–P90: $47.3k – $260k)
Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band approximates where about 8 in 10 comparable games land in published studies; some sit outside it. Our own hit rate goes on the accuracy ledger once measured. How we estimate
Estimates are statistical inferences from public data. They are not sourced from Valve or the developer and may deviate materially from actual results. Do not rely on them for investment or contractual decisions. As of Oct 1, 2026.
Player voice — measured shares of Steam thumbs, never a model
Multiplayer & community85% positive · 53 mentions
“A super-casual - which isn't to say super-easy - up-to-four players co-op/solo game in which you have to venture out into "biospheres" to avoid scary robots and other enemies in order to feed a mostly-unseen monster that lives in a hole…”
Recommended · Steam review · Aug 2025 · 1 h played · Report / request removalGameplay & mechanics79% positive · 39 mentions
“Extremely fun game, it does have the basic formula for new co op horror games, but something about it makes it kinda better then the others, i love the creatures and some of them are kinda original, the items are cool, the maps are fine…”
Recommended · Steam review · Mar 2025 · 5 h played · Report / request removalContent & longevity86% positive · 37 mentions
“I like this, you can tell it draws inspiration from other games but is also kind of original, it has the traveling plot of content warning, but instead of a diving bell or old world, it's a submarine and biospheres, an inventory system…”
Recommended · Steam review · Apr 2025 · 10 h played · Report / request removalPrice & value79% positive · 28 mentions
“Judging this one was a tough one. I guess I'll go with a positive recommendation even though I think this game has a lot to be desired. It's basically underwater Lethal Company. I'm being a little generous here because although Subterror…”
Recommended · Steam review · Jul 2025 · 15 h played · Report / request removalVisuals & audio71% positive · 24 mentions
“Lean, panic-charged, yet still a little shallow—Subterror nails the pulse-spiking dread of deep-sea salvage, but thin content and looping objectives leave the abyss feeling half-explored. Rating: 6.5 / 10 I cycle the airlock, vacuum a few…”
Recommended · Steam review · Jun 2025 · 5 h played · Report / request removalPerformance & stability85% positive · 13 mentions
“Judging this one was a tough one. I guess I'll go with a positive recommendation even though I think this game has a lot to be desired. It's basically underwater Lethal Company. I'm being a little generous here because although Subterror…”
Recommended · Steam review · Jul 2025 · 15 h played · Report / request removalDifficulty & balance50% positive · 12 mentions
“I enjoy the process of exploring and looking for food items. Also, I genuinely feel like this game is a great and fun way to learn Morse code - absolute top marks for that. But I do think the game could do with several tweaks. So, first of…”
Recommended · Steam review · Jul 2025 · 20 h played · Report / request removal262 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology
Reviews are shown as published on Steam, including reviews from key activations and free copies — so percentages here can differ from the score on the Steam store page. GameTrend does not check whether reviewers bought or played the game.