Independent Casualties: Unknown reference
Casualties: UnknownGuides & Wiki
Descend through eleven layers with a body that can bleed, break and panic. These guides tie every answer to dated public sources and say where the evidence stops.
Checked 2026-11-12
Start Here
Your first descent
Beginner Guide
Basic Training, the health panel and crafting from nearby items before your first serious run.
Read guide
Stop the Bleeding
Read falling blood volume in the health panel and stabilise blood loss before losing consciousness.
Read guide
Light and Clean Water
Firestarters, boiling groundwater over a campfire and managing heat in the deeper layers.
Read guide
Save Your Run
Where the normal save point is, and why quitting halfway through a layer ends a run.
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Multiplayer
Check Casualties: Unknown co-op support, the compatible Casualties Together package and its character-readiness flow, with installation and testing limits.
Read guide
Mods
Install Casualties: Unknown mods with the required loader, correct Steam folder and package layout; separate ordinary plugins from Casualties Together.
Read guide
Injuries
Remove Casualties: Unknown shrapnel, wrap bleeding limbs, treat infection and use the manual defibrillator with release-confirmed controls and limits.
Read guide
Rope & Tools
Use this Casualties: Unknown reference for rope, foliage bags, scrap sources and climbing tools, with demo recipes and battery-interface limits clearly marked.
Read guide
Layers & Endings
Check Casualties: Unknown layer counts, the full-game boundary and character unlock order, with confirmed ending counts separated from unverified route details.
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Release & Price
Check Casualties: Unknown release date, developer, publisher and archived Steam US launch price, with the announced unlock time and offer deadline.
Read guideCasualties: Unknown
What is Casualties: Unknown?
Casualties: Unknown is a cave-exploration survival simulator with an entirely simulated cardiovascular and limb damage system. The official listing sends a test subject through 11 layers of a foreign planet to retrieve lost cargo.
Crafting, injury treatment and rest decide how far a run goes. The full game released on Steam on November 9, 2026, developed by Orsoniks and published by Oro Interactive. This site is an independent reference and is not affiliated with either company.
- Developer
- Orsoniks
- Publisher
- Oro Interactive
- Play mode
- Single-player
- Damage model
- Cardiovascular and limb
Before you play
What this reference covers
Casualties: Unknown combines cave exploration with simulated cardiovascular and limb damage. The full game released on Steam on November 9, 2026, developed by Orsoniks and published by Oro Interactive. Its store listing describes 11 layers, robust crafting and 300 findable items. See the official listing and launch announcement.
Choose by the problem in front of you
For your first attempt, begin with the beginner guide. For a specific obstacle, use the topic navigation to reach its dedicated instructions. Keep the detailed walkthrough open separately so you can return to the relevant step.
Reading the version notes
Each article identifies release documentation, older demo advice and unresolved details where they matter. Source links accompany the relevant claims. These pages do not claim firsthand gameplay testing or independent corroboration of every instruction.
Sources and verification
- Casualties: Unknown · store.steampowered.com · Checked 2026-11-12
- Casualties: Unknown · www.gamespress.com · Checked 2026-11-12
- Casualties: Unknown · guidewiki.gg · Checked 2026-11-12
- Casualties: Unknown · guidewiki.gg · Checked 2026-11-12
- Casualties: Unknown · casualties-unknown-guide.wiki · Checked 2026-11-11
- Casualties: Unknown · guidewiki.gg · Checked 2026-11-11
- Casualties: Unknown · steamcommunity.com · Checked 2026-11-11
Ready for the next layer?
Start with the beginner guide, then pick the injury, crafting or saving page that matches the problem in front of you.