Casualties: Unknown Wiki
Fan-Made Community WikiDescend into a hostile alien world where every injury can end your run. Learn to treat wounds, craft vital tools, and survive all 11 layers.
Latest Updates
A Complete Guide to Casualties: Unknown traps and How to Survive Them
Casualties: Unknown Achievements Guide: Unlock Every Steam Milestone
Casualties: Unknown Endings Guide: How to Unlock Every Outcome
Casualties: Unknown Guide: Essential Crafting, Movement, and Survival Tips
Casualties: Unknown Layers Guide: Depths, Hazards, and Survival
Casualties: Unknown Lore Guide: Origins, Experiments, and Cavern Horrors
Casualties: Unknown Multiplayer Guide: Setup, Co-op Rules, and Survival
Casualties: Unknown Shotgun Event Guide – Pump-Action Stats and Survival Tips
Start Here
Your Casualties: Unknown Journey
Beginner Guide
Learn the controls, read your status indicators, and prepare for your first descent.
Healing & Survival
Understand bleeding, infection, and limb injuries so you can respond before a run falls apart.
Crafting & Resources
Find useful materials, learn essential recipes, and organize the supplies you need underground.
Layers & Endings
Explore the dangers of each layer and follow clearly marked spoiler guides to the game's endings.
Popular Pages
Trending Now
A Complete Guide to Casualties: Unknown traps and How to Survive Them
Master the dangers of Casualties: Unknown traps with this in-depth survival guide. Learn stats, damage values, and safe disarming strategies.
Casualties: Unknown Achievements Guide: Unlock Every Steam Milestone
Discover all the available Casualties: Unknown achievements in the latest playtest. Learn how to unlock milestones like Company's Best and Cannon Fodder.
Casualties: Unknown Endings Guide: How to Unlock Every Outcome
Master all Casualties: Unknown endings with this complete guide covering lab escapes, the Dune conclusion, secret Gunsaw tie-ins, and survival requirements.
Casualties: Unknown Guide: Essential Crafting, Movement, and Survival Tips
Master crafting, intelligence leveling, medical triage, movement tech, and layer survival with this comprehensive Casualties: Unknown guide.
Casualties: Unknown Layers Guide: Depths, Hazards, and Survival
Master all 11 Casualties: Unknown layers with our in-depth survival guide covering environmental hazards, biome mechanics, crystal types, and extraction tips.
Casualties: Unknown Lore Guide: Origins, Experiments, and Cavern Horrors
Explore the dark Casualties: Unknown lore. Discover the corporate origins of the experiments, alien caverns, and tragic environmental storytelling.
Casualties: Unknown Multiplayer Guide: Setup, Co-op Rules, and Survival
Master Casualties: Unknown multiplayer with this complete guide. Learn how to install the co-op mod, configure host rules, and survive underground.
Casualties: Unknown Shotgun Event Guide – Pump-Action Stats and Survival Tips
Master the Casualties: Unknown shotgun event with our ultimate guide. Learn pump-action shotgun stats, damage numbers, reload tactics, and survival tips.
Casualties: Unknown Sound Cannon Guide: Mechanics, Effects & Survival
Learn how the Casualties: Unknown sound cannon works, compare air vs. underwater damage, and master 5-second survival tactics in the wasteland.
Casualties: Unknown Amputation Guide: How to Survive Severe Infections
Master the Casualties: Unknown amputation mechanics. Learn infection thresholds, required tools, minigame execution, and critical post-op recovery tips.
Casualties: Unknown Brain Damage Guide – Mechanics, Symptoms, and Code Quirks
Master Casualties: Unknown brain damage mechanics. Learn symptom thresholds, survival strategies, and how the game's code handles cognitive impairment.
Casualties: Unknown Depression Death: Mechanics, Episodes, and Survival Guide
Learn how the mood system works in Casualties: Unknown, how depression death triggers during mental episodes, and proven strategies to keep your survivor alive.
Casualties: Unknown Health System Guide: Panels, Bleeding, and Vitals
Master the Casualties: Unknown health system. Learn how vitals, chipped vs. unchipped modes, severe bleeding, and critical alarms function.
Mastering Casualties: Unknown Internal Bleeding and Hemothorax Mechanics
Learn how to diagnose and treat Casualties: Unknown internal bleeding and hemothorax. Discover causes, thresholds, and vital healing strategies.
Casualties: Unknown Characters Guide: Species, NPCs, and Enemies
Explore all Casualties: Unknown characters, playable species like Dunes and Experiments, friendly survivor NPCs, and dangerous alien enemies.
Casualties: Unknown Dune Character Guide: SAW-12 Lore, Biology, and Gameplay
Explore the Casualties: Unknown Dune (SAW-12) in our complete character guide covering lore, insectoid anatomy, merchant caves, and survival mechanics.
Casualties: Unknown Enemies Guide: Bestiary, Stats, and Combat Tips
Master every encounter in Casualties: Unknown. Detailed guide covering Casualties: Unknown enemies, stats, pain mechanics, and boss tactics.
Casualties: Unknown expie Character Guide: Stats, Mechanics, and Mentality
Explore the Casualties: Unknown expie character guide covering biology, movement, brain chips, inventory limits, and mental states to survive the caves.
Casualties: Unknown Human Guide: Lore, Stats, and Combat
Comprehensive breakdown of the Casualties: Unknown human baseline, comparing survivor physiology, combat capabilities, and Sawian matchups.
Casualties: Unknown Traders Guide: Reputation, Trading, and Combat
Master interactions with Casualties: Unknown traders. Learn reputation math, barter mechanics, species differences, and combat hazards in this guide.
A Complete Guide to Casualties: Unknown Items and Survival Gear
Master the survival mechanics and loot system in Casualties: Unknown items. Learn how weight, condition, crafting, and Intelligence requirements work.
Casualties: Unknown Weapons Guide: Complete Firearms and Combat Manual
Master all Casualties: Unknown weapons with this tactical survival guide covering firearm controls, reloading, shotgun shells, and combat mechanics.
Mastering Casualties: Unknown Crafting System, Recipes, and Survival Guide
Discover the ultimate Casualties: Unknown crafting guide. Learn general mechanics, intelligence levels, essential recipes, and survival tips for V5.1.
Best Casualties: Unknown Mods: Top Community Picks and Install Guide
Explore the best Casualties: Unknown mods, from quality-of-life tweaks and cheat menus to custom rigs, BepInEx setups, and CU CoreLib mod creation.
Casualties: Unknown Nexus Mods Guide: Best Mods and Installation
Explore the top Casualties: Unknown Nexus mods, essential prerequisites like BepInEx and CU Core Lib, and step-by-step installation instructions.
Casualties: Unknown Russian Translation Guide: Install Community Locales
Learn how to download, install, and configure the community Casualties: Unknown Russian translation mod. Complete setup and troubleshooting guide.
Casualties: Unknown viscera n' vitals – Complete Medical Overhaul Guide
Dive deep into the ultimate medical overhaul for Casualties: Unknown. Explore advanced heart rhythms, custom equipment, and simulation tiers.
Casualties: Unknown xl mod Guide: New Features, BepInEx Setup, and Gameplay
Explore the Casualties: Unknown xl mod, including its six weight stages, custom items, BepInEx installation steps, dev team credits, and gameplay tips.
Casualties: Unknown Download Guide: How to Get the Game and Install Mods
Get the complete Casualties: Unknown download guide. Learn how to securely access the game, install multiplayer mods, and survive the harsh depths.
Casualties: Unknown Release Date, Full Launch Details, and Pricing
Casualties: Unknown has officially launched. Explore the Casualties: Unknown release date details, pricing, system requirements, and core survival features.
Casualties: Unknown Review: The Most Brutal Survival Roguelike of 2026
Read our comprehensive Casualties: Unknown review covering the visceral medical simulation, 11 cave layers, crafting depth, and unforgiving gameplay.
Casualties: Unknown Steam Release: Price, Gameplay, and Full Launch Guide
Casualties: Unknown launched on Steam Nov 9, 2026 with 97% positive reviews. Explore pricing, bundles, 11 layers, survival systems, and specs.
Dive Into the Brutal Depths With the Casualties: Unknown Demo on Steam
Explore the harsh alien caverns, simulated limb systems, and survival mechanics featured in the highly rated Casualties: Unknown demo.
Casualties: Unknown Fanart: Creative Showcase, Themes, and Artist Guide
Explore the striking world of Casualties: Unknown fanart. Discover top community artwork, design aesthetics, artist tutorials, and drawing tips.
Casualties: Unknown reddit Discussions, Lore, and Community Insights
Explore community discussions about Casualties: Unknown reddit threads, character arcs, survival mechanics, and gripping narrative breakdowns.
How to Join the Official Casualties: Unknown Discord Community
Looking for the Casualties: Unknown discord? Find out how to join the community server, connect with speedrunners, and share strategies.
Casualties: Unknown Chase It Down: OST Guide, Soundtrack System, and Audio Cues
Explore Casualties: Unknown Chase It Down, how the Scav Prototype soundtrack layers work, combat and pain drones, and Orsoniks' Gooey leitmotifs.
Casualties: Unknown Down Down Down Guide: Ivycomb Song Breakdown
Explore the viral hit Casualties: Unknown down down down by ivycomb feat. OodleZz. Discover its origins, lyrics, production breakdown, and lore.
Casualties: Unknown Soundtrack Guide: Complete Audio List & Atmosphere Analysis
Explore the eerie sound design and complete Casualties: Unknown soundtrack, featuring ambient drones, combat cues, physiological audio, and hidden tracks.
Dive Into Casualties: Unknown run for your life Soundtrack and Audio Design
Explore the intense audio landscape of Casualties: Unknown run for your life. Discover the OST, community reactions, and the atmosphere of the Scav Prototype.
A Complete Guide to Casualties: Unknown traps and How to Survive Them
Master the dangers of Casualties: Unknown traps with this in-depth survival guide. Learn stats, damage values, and safe disarming strategies.
Casualties: Unknown Achievements Guide: Unlock Every Steam Milestone
Discover all the available Casualties: Unknown achievements in the latest playtest. Learn how to unlock milestones like Company's Best and Cannon Fodder.
Casualties: Unknown Endings Guide: How to Unlock Every Outcome
Master all Casualties: Unknown endings with this complete guide covering lab escapes, the Dune conclusion, secret Gunsaw tie-ins, and survival requirements.
Casualties: Unknown Guide: Essential Crafting, Movement, and Survival Tips
Master crafting, intelligence leveling, medical triage, movement tech, and layer survival with this comprehensive Casualties: Unknown guide.
Casualties: Unknown Layers Guide: Depths, Hazards, and Survival
Master all 11 Casualties: Unknown layers with our in-depth survival guide covering environmental hazards, biome mechanics, crystal types, and extraction tips.
Casualties: Unknown Lore Guide: Origins, Experiments, and Cavern Horrors
Explore the dark Casualties: Unknown lore. Discover the corporate origins of the experiments, alien caverns, and tragic environmental storytelling.
Casualties: Unknown Multiplayer Guide: Setup, Co-op Rules, and Survival
Master Casualties: Unknown multiplayer with this complete guide. Learn how to install the co-op mod, configure host rules, and survive underground.
Casualties: Unknown Shotgun Event Guide – Pump-Action Stats and Survival Tips
Master the Casualties: Unknown shotgun event with our ultimate guide. Learn pump-action shotgun stats, damage numbers, reload tactics, and survival tips.
Casualties: Unknown Sound Cannon Guide: Mechanics, Effects & Survival
Learn how the Casualties: Unknown sound cannon works, compare air vs. underwater damage, and master 5-second survival tactics in the wasteland.
Casualties: Unknown Amputation Guide: How to Survive Severe Infections
Master the Casualties: Unknown amputation mechanics. Learn infection thresholds, required tools, minigame execution, and critical post-op recovery tips.
Casualties: Unknown Brain Damage Guide – Mechanics, Symptoms, and Code Quirks
Master Casualties: Unknown brain damage mechanics. Learn symptom thresholds, survival strategies, and how the game's code handles cognitive impairment.
Casualties: Unknown Depression Death: Mechanics, Episodes, and Survival Guide
Learn how the mood system works in Casualties: Unknown, how depression death triggers during mental episodes, and proven strategies to keep your survivor alive.
Casualties: Unknown Health System Guide: Panels, Bleeding, and Vitals
Master the Casualties: Unknown health system. Learn how vitals, chipped vs. unchipped modes, severe bleeding, and critical alarms function.
Mastering Casualties: Unknown Internal Bleeding and Hemothorax Mechanics
Learn how to diagnose and treat Casualties: Unknown internal bleeding and hemothorax. Discover causes, thresholds, and vital healing strategies.
Casualties: Unknown Characters Guide: Species, NPCs, and Enemies
Explore all Casualties: Unknown characters, playable species like Dunes and Experiments, friendly survivor NPCs, and dangerous alien enemies.
Casualties: Unknown Dune Character Guide: SAW-12 Lore, Biology, and Gameplay
Explore the Casualties: Unknown Dune (SAW-12) in our complete character guide covering lore, insectoid anatomy, merchant caves, and survival mechanics.
Casualties: Unknown Enemies Guide: Bestiary, Stats, and Combat Tips
Master every encounter in Casualties: Unknown. Detailed guide covering Casualties: Unknown enemies, stats, pain mechanics, and boss tactics.
Casualties: Unknown expie Character Guide: Stats, Mechanics, and Mentality
Explore the Casualties: Unknown expie character guide covering biology, movement, brain chips, inventory limits, and mental states to survive the caves.
Casualties: Unknown Human Guide: Lore, Stats, and Combat
Comprehensive breakdown of the Casualties: Unknown human baseline, comparing survivor physiology, combat capabilities, and Sawian matchups.
Casualties: Unknown Traders Guide: Reputation, Trading, and Combat
Master interactions with Casualties: Unknown traders. Learn reputation math, barter mechanics, species differences, and combat hazards in this guide.
A Complete Guide to Casualties: Unknown Items and Survival Gear
Master the survival mechanics and loot system in Casualties: Unknown items. Learn how weight, condition, crafting, and Intelligence requirements work.
Casualties: Unknown Weapons Guide: Complete Firearms and Combat Manual
Master all Casualties: Unknown weapons with this tactical survival guide covering firearm controls, reloading, shotgun shells, and combat mechanics.
Mastering Casualties: Unknown Crafting System, Recipes, and Survival Guide
Discover the ultimate Casualties: Unknown crafting guide. Learn general mechanics, intelligence levels, essential recipes, and survival tips for V5.1.
Best Casualties: Unknown Mods: Top Community Picks and Install Guide
Explore the best Casualties: Unknown mods, from quality-of-life tweaks and cheat menus to custom rigs, BepInEx setups, and CU CoreLib mod creation.
Casualties: Unknown Nexus Mods Guide: Best Mods and Installation
Explore the top Casualties: Unknown Nexus mods, essential prerequisites like BepInEx and CU Core Lib, and step-by-step installation instructions.
Casualties: Unknown Russian Translation Guide: Install Community Locales
Learn how to download, install, and configure the community Casualties: Unknown Russian translation mod. Complete setup and troubleshooting guide.
Casualties: Unknown viscera n' vitals – Complete Medical Overhaul Guide
Dive deep into the ultimate medical overhaul for Casualties: Unknown. Explore advanced heart rhythms, custom equipment, and simulation tiers.
Casualties: Unknown xl mod Guide: New Features, BepInEx Setup, and Gameplay
Explore the Casualties: Unknown xl mod, including its six weight stages, custom items, BepInEx installation steps, dev team credits, and gameplay tips.
Casualties: Unknown Download Guide: How to Get the Game and Install Mods
Get the complete Casualties: Unknown download guide. Learn how to securely access the game, install multiplayer mods, and survive the harsh depths.
Casualties: Unknown Release Date, Full Launch Details, and Pricing
Casualties: Unknown has officially launched. Explore the Casualties: Unknown release date details, pricing, system requirements, and core survival features.
Casualties: Unknown Review: The Most Brutal Survival Roguelike of 2026
Read our comprehensive Casualties: Unknown review covering the visceral medical simulation, 11 cave layers, crafting depth, and unforgiving gameplay.
Casualties: Unknown Steam Release: Price, Gameplay, and Full Launch Guide
Casualties: Unknown launched on Steam Nov 9, 2026 with 97% positive reviews. Explore pricing, bundles, 11 layers, survival systems, and specs.
Dive Into the Brutal Depths With the Casualties: Unknown Demo on Steam
Explore the harsh alien caverns, simulated limb systems, and survival mechanics featured in the highly rated Casualties: Unknown demo.
Casualties: Unknown Fanart: Creative Showcase, Themes, and Artist Guide
Explore the striking world of Casualties: Unknown fanart. Discover top community artwork, design aesthetics, artist tutorials, and drawing tips.
Casualties: Unknown reddit Discussions, Lore, and Community Insights
Explore community discussions about Casualties: Unknown reddit threads, character arcs, survival mechanics, and gripping narrative breakdowns.
How to Join the Official Casualties: Unknown Discord Community
Looking for the Casualties: Unknown discord? Find out how to join the community server, connect with speedrunners, and share strategies.
Casualties: Unknown Chase It Down: OST Guide, Soundtrack System, and Audio Cues
Explore Casualties: Unknown Chase It Down, how the Scav Prototype soundtrack layers work, combat and pain drones, and Orsoniks' Gooey leitmotifs.
Casualties: Unknown Down Down Down Guide: Ivycomb Song Breakdown
Explore the viral hit Casualties: Unknown down down down by ivycomb feat. OodleZz. Discover its origins, lyrics, production breakdown, and lore.
Casualties: Unknown Soundtrack Guide: Complete Audio List & Atmosphere Analysis
Explore the eerie sound design and complete Casualties: Unknown soundtrack, featuring ambient drones, combat cues, physiological audio, and hidden tracks.
Dive Into Casualties: Unknown run for your life Soundtrack and Audio Design
Explore the intense audio landscape of Casualties: Unknown run for your life. Discover the OST, community reactions, and the atmosphere of the Scav Prototype.
What is Casualties: Unknown?
Casualties: Unknown is a single-player survival simulator set inside an alien planet. Sent underground to recover lost cargo, you must explore dangerous caves and keep your body functioning.
Survival depends on managing injuries, crafting equipment, and adapting to each descent. Three playable characters and multiple endings give you new reasons to return to the depths.
Explore All GuidesDeveloper
Orsoniks
Platform
Windows PC via Steam
Genre
Survival Simulation
Layers
11
Playable Characters
3
Endings
3
Achievements
40
Casualties: Unknown Guides
Explore survival, healing, crafting, weapons, layers, characters, enemies, and the official download.
Casualties: Unknown Beginner Guide
Learn the survival loop before your first descent. Start with the tutorial, prepare supplies, and build habits that help prevent an early death.
Casualties: Unknown Healing Guide
Find the right treatment for common injuries. Learn how to manage bleeding, infections, and fractures through the game's health system.
Casualties: Unknown Crafting Guide
Build essential supplies with practical crafting examples. Learn how to expand storage, prepare drinking water, and produce bio-chem.
Casualties: Unknown Weapons and Ammo Guide
Match firearms to the ammunition and magazines they use. Check loading requirements before committing inventory space to a weapon.
Casualties: Unknown Layers Guide
Explore the named regions in their descent order. The Steam demo covers five layers, while the full game extends to eleven.
Casualties: Unknown Characters and Unlocks
Compare the three playable characters and their survival quirks. Completing a run with the previous character unlocks the next one.
Casualties: Unknown Enemies and Traps Guide
Recognize dangerous creatures and mechanical traps before engaging. Learn how cooldowns, warning indicators, and cover affect survival.
Casualties: Unknown Download and System Requirements
Find the official Steam game and free demo. Check the published PC requirements before installing.
Frequently Asked Questions
Quick answers to the most common questions about Casualties: Unknown.
Ready to Master Casualties: Unknown?
Build your survival knowledge, prepare for deeper layers, and make your next descent count with our community guides.