Deadnaut: Signal Lost is a sci-fi horror turn-based roguelike where loyalty isn't earned - it's installed. Scavenge derelict ships and abandoned moons filled with hellish creatures, brutal AI and insanity storms. Gather gear and upgrades to fight or evade the hi-tech supersoldiers hunting you down.
| App ID | 1801410 |
|---|---|
| App type | Game |
| Developer | Screwfly Studios |
| Publisher | Screwfly Studios |
| Homepage | https://signal-lost.com |
| Release date | 28 March 2023 |
| Release state | released |
| Store page | store.steampowered.com/app/1801410 |
| Last store refresh | 6 hours ago |
Launch options
| # | Executable | Arguments | OS | Description |
|---|---|---|---|---|
| 0 | Screwfly Launcher.exe | windows | Start launcher | |
| 1 | Screwfly Launcher | linux | Start launcher | |
| 2 | Signal Lost.exe | windows | game (skip launcher) | |
| 3 | Signal Lost.x86_64 | linux | game (skip launcher) |
Playing now
1
Updated 1 hour ago
24-hour peak
1
Highest recorded in the last 24 hours
All-time peak
1
12 September 2026 09:52 UTC
Hourly peaks, UTC. All-time peak covers SteamRaw's recorded history.
Regional prices
All Steam store regions, converted to USD at today's exchange rate, compared with the US price. Lowest is the lowest price SteamRaw has recorded for that region.
Loading regional prices…
Price history, US store (USD)
| Date | Price | Regular | Discount |
|---|---|---|---|
| 12 September 2026 05:46 UTC | $14.99 | $14.99 |
| DLC | AppID | Release | Price |
|---|---|---|---|
| No DLC known for this app. | |||
Branches
| Branch | Build ID | Description | Updated | Password |
|---|---|---|---|---|
| public | 20237693 | 3 October 2025 11:07 UTC |
Depots
| Depot | Name | OS | Size | Download | Public manifest | Notes |
|---|---|---|---|---|---|---|
| 1801411 | windows · 64 | 227.28 MB | 174.86 MB | 1303176554668487123 | ||
| 1801412 | linux · 64 | 255.79 MB | 192.05 MB | 4318562304374766720 |
A build is one published version of the game's files on a branch. Steam assigns a new build ID every time the developer pushes an update, so this list is the update history of the app. The files inside a build (depot manifests) are only readable with an account that owns the game, which SteamRaw does not have yet, so build contents are not shown.
| Build ID | Branch | Updated | First seen |
|---|---|---|---|
| 20237693 | public | 3 October 2025 11:07 UTC | 5 hours ago |
Every appinfo change SteamRaw has observed, grouped by changelist. Tags, features, languages, builds, depots, prices and any other key Steam publishes. Tracking since at least 12 September 2026 06:36 UTC (estimated from the earliest recorded change; the exact first fetch was not stored).
No changes recorded since SteamRaw first saw this app. Every future PICS change will be listed here.
| Changelist | Apps | Packages | Seen | What changed |
|---|---|---|---|---|
| No changelists recorded for this app yet. | ||||
No news for this app.
Full appinfo as delivered by Steam PICS, changenumber 37450809. Also at /api/app/1801410/raw.
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"extended": {
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