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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.
At a glance
● Pros
- English supported
● Cons
- Not released yet — check reviews after launch
Great for
- Fans of punchy combat and action
- Exploration and storytelling
- Relaxed building, managing and life sims
Summarized automatically from Steam reviews, Metacritic, language support, price and spec data.
About the game
Survive a Harsh World
Each layer brings its own challenges, adapt and descend.
Simulated Limb and Cardiovascular Systems
Injuries are unavoidable. You will have to bandage yourself, fight infected wounds, and stabilize blood loss before losing consciousness. Additionally, your mood can greatly affect your chances of survival, too much doom and gloom will make your life harder.
Craft to Survive
As a creature capable of reason, using tools will allow you to travel the cavernous layers more efficiently. In case you start bleeding out, the flora will provide great resources to patch yourself up.
Explore at Your Own Risk
Previous expeditions have left some good loot behind. But even helpful things can prove to be your death.
Uncover the Truth
What actually lies at the end of this journey? And what becomes of you if you are to succeed?
Features
An entirely simulated cardiovascular and limb damage system
Character traits to increase on your run: Intelligence, Strength, and Resilience
Robust crafting mechanics to increase your odds of survival
3 characters with their own distinct playstyles
11 layers of an alien planet with their own challenges and dangers
300 items to find on your runs
Adjustable loot and danger values accessible on the main menu
Source: Steam store page (provided by the developer/publisher)
PC requirements
Minimum
Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel Core i3-8130U 2.20 GHz Storage: 500 MB available space Additional Notes: 16x9, 16x10, Ultrawide screens supported
Recommended
Requires a 64-bit processor and operating system
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Updated October 27, 2026 · Source: Steam