Launch intel
Out of the demo.
Into the deep.
The full game arrives on November 9, 2026. Here is what launches, what stays in the demo, and every developer update we can verify.
Layers
6-11 + bonus ending
The demo stops at Layer 5. The full game continues to the cargo and the ascent.
Characters
3 playable
Experiment, Milky and Dune. The other two unlock by finishing a run with the previous character.
Endings
3 separate
Plus an optional bonus ending sequence, according to the developer.
What stays
Demo 7.0.1
The demo will not be updated after launch. Its final build remains available.
Transmission log
Update history
Newest first · verified against Steam announcements
-
09 NOV 2026
v1.0
ScheduledCasualties: Unknown full release
The full game launches on November 9 at 15:00 CET for $22.99, with a 15% launch discount. Layers 6–11, three endings, three characters and 40 achievements are included.
- Layers 6–11 and the optional bonus ending sequence
- Three playable characters: Experiment, Milky and Dune
- Three separate endings and 40 achievements
- The demo will not receive these changes; it stays on its final build
-
15 OCT 2026
Launch intel
releaseRelease date locked: November 9
After almost three years of development, Orsoniks confirmed the release date, price and launch content. The OST launches alongside the game with over 50 tracks.
- Release: November 9, 2026 at 15:00 CET
- Price: $22.99 with a 15% launch discount
- Full OST: 3+ hours and over 50 tracks
- Demo will not be updated after launch
-
15 SEP 2026
Devlog
developmentAll main layers are playable
The September progress update confirmed that all main layers are complete. The game has 10 main layers, a shorter 11th layer and an optional bonus ending sequence.
- All main layers complete and playable
- Three playable characters with unique gimmicks
- Drill pods added and made easier to use
- Later layers rebalanced to reduce run-ending difficulty spikes
-
17 AUG 2026
Demo 7.0.1
patchSimplified Chinese added to the demo
The demo added an official Simplified Chinese localization. The current demo build is 7.0.1, which remains the final demo version.
- Simplified Chinese interface and subtitles
- Translation by XiaoCai, Akiras, Lio_FX, Lexic and AlCl3
- No further demo content updates are planned
-
04 JUN 2026
Demo 7.0
patchDifficulty modifiers, settings and QoL
The 7.0 update rebuilt the run settings menu, added presets and a full settings menu, reworked jumping, and added item labels, a pause menu and new death visuals.
- Multiple difficulty presets and far more run settings
- Reworked jump physics with coyote time and buffering
- Hold Left Control to reveal nearby item labels
- New death screen, credits and Discord Rich Presence
-
23 APR 2026
Demo 6.1
patchFirst Aid and Crafting course gating
The 6.1 patch locked the advanced tutorial courses behind layer progression, buffed E-PDA experience, adjusted fibrillation and sepsis, and fixed several softlocks.
- First Aid course unlocked at Layer 2; Crafting at Layer 3
- E-PDA experience increased
- Fibrillation now rises quickly above 280 BPM
- Sepsis affects blood pressure less
-
20 APR 2026
Demo 6.0
releaseSteam demo launch and cardiovascular rework
Casualties: Unknown launched on Steam with a reworked cardiovascular simulation, new medicines, defibrillators, venom, new moodles and a rebuilt tutorial.
- Entirely reworked cardiovascular simulation
- Two defibrillator types and four new medicines
- New venom mechanic and severe radiation visuals
- Rebuilt tutorial with multiple courses and a sandbox
-
31 DEC 2024
Itch.io
releaseOriginal Scav Prototype release
The first public version launched on Itch.io as Scav Prototype. It accumulated over 300,000 downloads before the Steam demo arrived.
- Originally released as Scav Prototype on Itch.io
- Over 300,000 downloads before the Steam launch
- The Steam demo is the current supported version
Demo vs full game
What changes on launch day
| Feature | Demo 7.0.1 | Full release |
|---|---|---|
| Layers | 1-5 | 1-11 + bonus sequence |
| Characters | Experiment | Experiment, Milky, Dune |
| Endings | None | 3 separate endings |
| Achievements | Not in demo | 40 achievements |
| Updates | Final build | Launch balance and fixes |
| Price | Free | $22.99, 15% launch discount |
The developer has confirmed the demo will not be backported. Full-game content and balance may differ from the demo values used throughout this guide.