Casualties: Unknown — Release Date, Trailer & What We Know

Casualties: Unknown is an unforgiving cave-exploration survival simulator. Releasing 2026.

2026+1,212 followers/wkSurvivalby OrsoniksPrice: N/A
Quick verdict Casualties: Unknown is one of the most anticipated upcoming Survival games on Steam, set for 2026. It's gaining about 1k Steam followers a week ahead of launch — a strong early signal. If you like Survival games such as The Witch of Isso, DayZ, IDLE_DIRECTIVE, it's worth a wishlist.

About Casualties: Unknown

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

Description via Steam.

Key Stats

Followers
17,229
Followers / week
+1,212
Genre
Survival
Developer
Orsoniks
Release
2026
Price
N/A

Should You Play Casualties: Unknown?

Who it's for: fans of Survival games like The Witch of Isso, DayZ, IDLE_DIRECTIVE.

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…

Casualties: Unknown is single-player on Steam and runs on Windows. It's gaining about 1k Steam followers a week ahead of its 2026 release.

▶ Wishlist Casualties: Unknown on Steam →

Wishlisting notifies you at launch and helps the developer's visibility.

System Requirements & Platforms

View PC requirements & supported platforms

Platforms: Windows

Minimum

OS: Windows 10 · Processor: Intel Core i3-8130U 2.20 GHz · Storage: 500 MB available space · Additional Notes: 16x9, 16x10, Ultrawide screens supported

Casualties: Unknown — Frequently Asked Questions

When does Casualties: Unknown release?
Casualties: Unknown is set to launch on 2026 (Coming Soon on Steam).
What kind of game is Casualties: Unknown?
Casualties: Unknown is a Survival game. Casualties: Unknown is an unforgiving cave-exploration survival simulator.
Is Casualties: Unknown multiplayer or co-op?
No — Casualties: Unknown is listed as single-player only on Steam.
Is Casualties: Unknown on Steam Deck or consoles?
Casualties: Unknown runs on Windows via Steam; Steam Deck compatibility has not been confirmed. No console release has been confirmed.
How much does Casualties: Unknown cost?
Pricing has not been announced yet (N/A). Wishlist it on Steam to be notified at launch.
What are Casualties: Unknown's system requirements?
Minimum specs: Windows 10, Intel Core i3-8130U 2.20 GHz, 500 MB available space storage.
Is Casualties: Unknown worth wishlisting?
If you enjoy Survival games like The Witch of Isso, DayZ, IDLE_DIRECTIVE, yes. It's gaining about 1k Steam followers a week.
Who made Casualties: Unknown?
Casualties: Unknown is developed by Orsoniks and published by Oro Interactive.
What games is Casualties: Unknown similar to?
Casualties: Unknown sits alongside Survival games such as The Witch of Isso, DayZ, IDLE_DIRECTIVE.
What platforms is Casualties: Unknown on?
Casualties: Unknown is available on Windows.

Data & media via Steam · updated 2026-07-01 · all trending games →