Deadnaut: Signal Lost

Turn-based sci-fi horror roguelike where you manage a scavenger's loyalty

Screwfly Studios · Released Mar 28, 2023

Reviews: Very Positive; 85% of 94
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 1 year ago; Oct 3, 2025
Minimum PC: GeForce GTX 950; 8 GB RAM · 0.2 GB disk; Full requirements

What is Deadnaut: Signal Lost?

A first-person, turn-based sci-fi horror roguelike in which you remotely direct a treasure hunter while advanced soldiers pursue you. Runs take you through procedurally generated derelict ships and settlements, where you fight creatures and avoid or exploit security systems.

For you if...

+you enjoy tailoring builds through equipment and suit upgrades

Not for you if...

−you dislike permanent death and restarting after failed runs

What players say

85% of 94 reviews are positive

Players praise the dark atmosphere and the tactical control afforded by turn-based play. Common complaints focus on repetitive room-to-room exploration and sudden lethal encounters that punish small mistakes.

Screenshots and trailer

Deadnaut: Signal Lost system requirements

Minimum: GeForce GTX 950, 8 GB RAM, 0.2 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7 SP1 64-bit or later
Processor: 2.6GHz quad-core or similar
Graphics: NVIDIA GeForce GTX 950 or similar
Memory: 8 GB RAM
Storage: 250 MB available space
DirectX: Version 11

Does Deadnaut: Signal Lost have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Deadnaut: Signal Lost run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Not supported on SteamOS

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, Linux
Achievements: 45
Steam features: Cloud saves, Family Sharing
Languages: Text only: English.

Does Deadnaut: Signal Lost use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam