Casualties: Unknown · Field index
All Casualties: Unknown guides
Casualties: Unknown guides for all 11 layers: survival builds, medical systems, item and crafting data, mods, demo help and release-day answers.
25 guides across 5 sections. Start with the beginner route if the descent is new, or jump straight to the system that is killing your runs.
Start Here
Casualties: Unknown Beginner Guide: First 5 Layers
A practical start for Casualties: Unknown: controls, first crafts, health panel reading and a safe route through the five demo layers.
Casualties: Unknown Tips That Save Early Runs
Light discipline, weight math, pain control and trap habits that separate a clean Casualties: Unknown descent from a death at 60 metres.
Casualties: Unknown Difficulty Settings Explained
All six Casualties: Unknown presets plus the 41 custom run settings, with defaults, ranges and the options that actually change survival.
Casualties: Unknown Demo Guide: 5 Layers Explained
What the free Casualties: Unknown demo includes, how long it takes, where it ends, what carries over and how to install it on Steam.
Casualties: Unknown Release Date and Launch Times
Casualties: Unknown releases 9 November 2026 at 15:00 CET for $22.99. Launch times by region, download size, platforms and day-one content.
Casualties: Unknown System Requirements (PC)
Official Casualties: Unknown PC requirements, what the store page leaves out, Steam Deck status and the settings that matter on low-end hardware.
The Descent
Casualties: Unknown Walkthrough: Layer 1 to 5
A layer-by-layer Casualties: Unknown walkthrough for the demo: routes, hazards, enemies, loot priorities and the gear to bring into each descent.
Casualties: Unknown Progression: All 11 Layers
Every layer in Casualties: Unknown, in order: depth, hazards, temperature, enemies and the gear checkpoints that decide whether you can descend.
Casualties: Unknown Characters: Experiment, Milky, Dune
The three playable characters in Casualties: Unknown, what Experiment can do in the demo, and what is actually confirmed about Milky and Dune.
Casualties: Unknown Traits: STR, RES and INT
How Strength, Resilience and Intelligence work in Casualties: Unknown: exact bonuses per level, XP sources, soft caps and which trait to raise first.
Casualties: Unknown Endings: What Is Confirmed So Far
Casualties: Unknown endings explained: the confirmed story goal, the unreleased final layers, what the demo does at layer 5, and what is still speculation.
Builds and Gear
Casualties: Unknown Best Build for a First Run
A practical best build for Casualties: Unknown: trait order, gear slots, medical kit, opening route and the combat loop that survives layer 5.
Casualties: Unknown Tier List: Best Items Ranked
Casualties: Unknown item tier list for the demo: the best tools, weapons, armour, containers and medical items, ranked by how much they change a run.
Casualties: Unknown Best Weapons Ranked
Every weapon in the Casualties: Unknown demo ranked: damage, swing speed, durability, ammo and which weapon fits which layer.
Casualties: Unknown Best Armor: Every Piece Ranked
Armor protection and insulation values in Casualties: Unknown, which body parts to cover first, and the best pieces for each layer.
Casualties: Unknown Best Backpack and Containers
Container capacity, weight reduction and single-item limits in Casualties: Unknown, with the best backpack, belt and pouch for each stage of a run.
Casualties: Unknown Best Food and Water
Hunger, thirst, sickness and radiation values for every food and drink in Casualties: Unknown, plus the best items to carry into each layer.
Body and Craft
Casualties: Unknown Crafting Guide and Recipe Rules
How crafting works in Casualties: Unknown: the five tabs, Intelligence requirements, failure tiers, blueprints and the recipes worth making first.
Casualties: Unknown Bleeding Guide: Stop the Blood Loss
How blood volume, bleeding rate, tourniquets and transfusions work in Casualties: Unknown, and the order to treat a bleeding limb.
Casualties: Unknown Medical Guide: Triage and Treatment
A practical triage guide for Casualties: Unknown: bleeding, infection, fractures, pain shock, fibrillation and the items that treat each condition.
Casualties: Unknown Enemies: Every Threat and Fight
Every enemy in Casualties: Unknown, its layer, attack pattern and drops, plus the Elder Thornback fight and the traps that kill more players than monsters.
Casualties: Unknown Trader Guide: Reputation and Prices
How trader reputation, prices, haggling and hostility work in Casualties: Unknown, with the exact price multipliers and the safest way to buy medical supplies.
Mods and Co-op
Casualties: Unknown Mods: BepInEx Setup and Best Mods
How to install mods in Casualties: Unknown with BepInEx, where the mods live, how to fix a broken install and which mods are worth using.
Casualties: Unknown Best Mods Worth Installing
The best mods for Casualties: Unknown, what each one changes, and how to choose mods that will survive the jump from demo to full release.
Casualties: Unknown Multiplayer: Status and Co-op Mod
Casualties: Unknown is single-player only at launch. Here is what the community multiplayer mod supports, what breaks, and how to set up a co-op run safely.