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Casualties: Unknown

Casualties: Unknown is an unforgiving cave-exploration survival simulator. Your captors have tasked you with retrieving lost cargo on a foreign planet, explore its 11 layers and do your best to survive diverse hostile environments. You are just one of the thousands of test subjects sent to die.

SurvivalPsychological HorrorDifficult2DPixel GraphicsGorePerma Death
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Potential score
99
Positive
97% Overwhelmingly Positive
Total reviews
1,462
New reviews/day (7d)
705
Players online
5,346
Price
$19.54
Release date
Nov 9, 2026
Developer
Orsoniks
Publisher
Oro Interactive
Est. sales
43.9K~87.7K rough estimate from review count

Daily New Reviews

Is interest rising or fading?

2026-11-09: 794 positive, 19 negative2026-11-10: 716 positive, 24 negative2026-11-11: 546 positive, 16 negative2026-11-12: 297 positive, 4 negative
Positive / dayNegative / day2026-11-09 → 2026-11-12

◆ Deep Dive

Based on 78 sampled player reviews · 2026-11-11

A hardcore survival game that ties cave exploration to extremely detailed injury management, trading constant pressure and high difficulty for a strong sense of immersion.

Core loop

The player is a captive sent to an alien world to find goods, descending layer by layer while constantly treating fractures, bleeding, infection and other injuries, sustaining supplies through gathering and crafting, and starting the whole run over on death.

How it feels to play

A single run feels very tense: you plan resources while handling sudden injuries, and a moment of carelessness can cause a collapse; once you know the rules, you can also get relief and a sense of achievement from pulling an injury back from the brink.

Who it's for

Suited to players willing to spend time learning complex systems, who prefer hardcore survival and high-pressure atmosphere, and who can accept psychological horror and gore; it may not suit players who become too immersed in their character or who want a relaxed experience.

What players love

What players complain about

Why it might be taking off

These are hypotheses drawn from reviews and data, not confirmed facts.

The sample is not exhaustive: up to 2 pages each of toprated and mostrecent were taken per language; the store page shows 1414 total reviews and a 97% positive rate, and this analysis is based only on the given review sample and the two-day curve.