Field answers
The questions
before the drop.
Release details, demo limits, platforms, saving, mods and the things the store page does not explain. If an answer is unconfirmed, it says so.
Frequently asked questions
When does Casualties: Unknown release?
Casualties: Unknown launches on November 9, 2026 at 15:00 CET. The game costs $22.99 with a 15% launch discount, and the soundtrack releases alongside it.
Release and update timelineIs there a Casualties: Unknown demo?
Yes. The Steam demo includes 5 of the 11 planned layers with the full injury, crafting and cardiovascular systems. The current demo build is 7.0.1, and the developer has confirmed it will not be updated after the full release.
Play the demo layersWhat platforms is Casualties: Unknown on?
The game is currently announced for Windows PC via Steam. There is no confirmed macOS, Linux, PlayStation, Xbox or Switch version.
Does Casualties: Unknown have multiplayer or co-op?
No. Casualties: Unknown is a single-player survival game. Steam lists Single-player only, and no official co-op mode has been announced.
How many layers are in Casualties: Unknown?
The full game has 11 layers: 10 main layers plus a shorter eleventh layer and an optional bonus ending sequence. The demo contains the first 5 layers, ending in the Overgrown Depths.
All 11 layers explainedHow many playable characters are there?
Three characters are planned for launch: the Experiment, Milky and Dune. Only the Experiment is playable in the demo. The other two are unlocked by finishing a run with the previous character.
Experiment loreIs Casualties: Unknown permadeath?
Yes. Death ends the run. A Last Stand can revive you once if your mood was high enough roughly 9–10 minutes before death. The chance ranges from 100% at high mood to 0% at very low mood.
How the injury system worksCan you save in Casualties: Unknown?
The game saves when you reach the bottom of a layer and choose Save and exit. There is no traditional mid-layer quicksave; plan each descent as a single session.
How much does Casualties: Unknown cost?
The full game is $22.99 at launch with a 15% discount. Bundles with the soundtrack lower the combined price. The demo is free.
Launch detailsIs Casualties: Unknown on Xbox Game Pass?
No Game Pass release has been announced. The only confirmed storefront is Steam, with an older Itch.io prototype still available but no longer the supported version.
Does Casualties: Unknown support mods?
There are no official mod tools. A community Archipelago mod exists for specific demo versions, but it is not maintained by the developer and does not work with every build.
Is Casualties: Unknown scary or gory?
Yes. The game depicts violence, dismemberment, depression, drug use and self-harm. It includes a content warning and an option to censor low-mood events in the gameplay settings.
What do you actually do in Casualties: Unknown?
You play a bioengineered Experiment sent into a cave network on an alien planet to retrieve lost cargo. You descend layer by layer, manage injuries, craft tools, trade with survivors and try not to die.
Beginner guideWhat are the system requirements?
Minimum: 64-bit Windows 10, Intel Core i3-8130U at 2.20 GHz and 500 MB of storage. The game supports 16:9, 16:10 and ultrawide displays. Recommended specs have not been published.
Should I play the tutorial first?
Yes. The tutorial teaches movement, first aid, crafting and the health panel with a sandbox, and the advanced First Aid and Crafting courses unlock after reaching Layers 2 and 3.
Beginner guide