Fan-made · Unofficial
What is wrong with your subject right now?
Casualties: Unknown Wiki gives fast, dated answers for bleeding, infection, fibrillation and descent prep, built for players mid-run. Every page lists the game version and when its sources were checked.
Symptom triage
Pick the symptom you are dealing with, or search the wiki
Open medical index
11 layers deep Start Here
Your first descent
Guides · sources listed on every page
Medical triage
Match a symptom to a treatment: bleeding, infection, fibrillation and broken bones.
02 · GUIDESBeginner guide
Controls, early priorities and the habits that keep your subject alive on the first layers.
03 · GUIDESAll 11 layers
From Gravel Lands to Crimson Ascent: how deep the descent goes and what each depth demands.
04 · ITEMSCrafting recipes
The survival-first recipes worth crafting before anything else, and the intelligence they need.
Recent Updates
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Casualties: Unknown Beginner Guide — Walkthrough & Controls
First-run priorities for Casualties: Unknown: tutorial, survival order, default controls from in-game training, and common mistakes to avoid.
guides
Console Commands — Sandbox, Cheats & How to Open the Console
Open the developer console with the backtick key, use the Training Sandbox, and see which commands are corroborated on two sources—type help for the live list.
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All Endings in Casualties: Unknown — Bio-pod, Escape, Mercenary
Casualties: Unknown has three endings on a full run: Bio-pod, Escape, and Mercenary. How they branch after layer 10 cargo and layer 11 ascent.
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FAQ — Codes, Price, Demo, Multiplayer, Layers & Endings
Quick answers about promo codes, launch price, the free demo, single-player vs mods, layer count, system requirements, and endings for Casualties: Unknown on Steam.
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How Many Layers Are in Casualties: Unknown?
The full game has 11 named cave layers in official order; the Steam demo only includes the first five. Full list with demo vs release notes.
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Mercenary Ending Guide — M.E.R.C. Scarf in Casualties: Unknown
How the Mercenary ending works: prior Bio-pod or Escape, chipped non-Endless run, Nano-tech scanner on layer 1, six chips, M.E.R.C. scarf craft.
Explore
Explore the Wiki
Pick a channel: treat a problem, plan a descent, or look something up.
Medical triage
Symptom-first guides for what is going wrong with your subject.
Bleeding
Stop blood loss first
Infection
Spot it and treat it
Fibrillation
Cardiac emergencies and the defibrillator
Broken bones
Splints and recovery
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Descent layers
How deep it goes, in order.
- 1
Gravel Lands
- 2
Deeper Gravel Lands
- 3
Dried Desert
- 11
Crimson Ascent
View all
Guides
Endings, setup and answers to the questions players actually search.
Endings
Bio-pod, Escape and Mercenary
Console commands
How to open the console
System requirements
Minimum specs as listed on Steam
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Frequently Asked Questions
Quick answers to the most common questions about Casualties: Unknown.
What is Casualties: Unknown?
Does Casualties: Unknown have redeem codes?
How many layers are there in Casualties: Unknown?
How much does Casualties: Unknown cost?
Is there multiplayer in Casualties: Unknown?
Ready for the next descent?
Bookmark the medical triage page, and check the date at the top of any guide before you rely on a number.