Steam released Casualties: Unknown on 9 Nov 2026 for Windows. List price $22.99; the 15% launch discount to $19.54 runs until 24 Nov 2026. Free demo stays up. Version 1.0.1. There is no browser build, so the trailer and the download page are the two ways to start.
Looking for the game formerly called Scav Prototype? You are in the right place.
Game facts and current version
| Fact | Reading | Status |
|---|---|---|
| Release | 9 Nov 2026 | Official · Steam |
| Version | 1.0.1 on 11 Nov 2026 | Official · Steam news |
| Price | $22.99 list, $19.54 after 15% off until 24 Nov 2026 | Official · US store, 12 Nov 2026 |
| Platform | Windows only | Official · Steam |
| Layers | 11 on the store and publisher page; wiki home also says 12 | Conflict kept |
| Characters | 3 | Official |
| Achievements | 40 | Official |
Where to go next
- Beginner guide for climb, sleep, weight, and the first craft.
- Layers for the 11 layer names, the timer, and the 11-versus-12 wording.
- Download for the free demo and the Steam app.
- Medicine, moodles, items, and characters.
- Mods and multiplayer if you are looking for co-op.
Latest update I am dating: 1.0.1 on 11 Nov 2026. The demo news the same week said the demo will stay up and will not keep receiving feature patches, aside from a small text fix and new ePDAs.
Questions
Can I play Casualties: Unknown in the browser?
No official browser build showed up on the Steam or itch pages I read. The full game and the demo are Windows downloads.
Is the demo still available?
The 9 Nov 2026 Steam news said the demo will stay up and will not be updated, except a small text change and new ePDAs.
Related guides
Sources
| Source | Checked |
|---|---|
| Steam store page | 2026-11-12 |
| Oro Interactive game page | 2026-11-12 |
| Official release trailer on YouTube | 2026-11-12 |
| Miraheze wiki | 2026-11-12 |