Outerstellar

Open-world sci-fi survival with crafting, base building, and player raids

Strange Horizons Ltd · Released Nov 16, 2023 · Early Access

Action Indie Massively Multiplayer Free To Play

Reviews: Mostly Positive; 72% of 186
Recent reviews: Mixed; 53% of 13 in 30 days
Players: 1; daily peak, Nov 7, 2026
Steam Deck: Unsupported
Last update on Steam: 2 months ago; Aug 21, 2026
Minimum PC: GTX 1060; 8 GB RAM · 20 GB disk; Full requirements

What is Outerstellar?

Outerstellar is a free-to-play, Early Access survival game set in a persistent online world on a hostile planet where earlier colonists failed. You gather resources, search abandoned structures, research technology, build and power a base, and craft weapons to defend it or raid other players.

For you if...

+you like sci-fi survival in a persistent open world
+you enjoy building bases and researching new equipment
+you want PvP built around raiding other players

Not for you if...

−you want a story-focused solo campaign instead of online survival
−you prefer survival games without hostile player encounters

What players say

72% of 186 reviews are positive · 53% of 13 in the last 30 days

Players praise the visuals, crafting, base building, and technology progression. They most often complain about sparsely populated servers and raids that cost them their bases and supplies; others report bugs and performance problems.

Screenshots and trailer

Outerstellar system requirements

Minimum: GTX 1060, 8 GB RAM, 20 GB of disk space.

As published by the developer.

Can my PC run Outerstellar?

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Minimum

OS: Windows 10 64-bit
Processor: Quad-core Intel or AMD, 2.5 GHz or better
Graphics: Nvidia GTX 1060-6GB or AMD R9 390
Memory: 8 GB RAM
Storage: 20 GB available space
DirectX: Version 11

Does Outerstellar have co-op or multiplayer?

Yes: PvP online. There is no single-player mode.

Does Outerstellar run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Graphics settings cannot be configured to run well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Text only: English.

Does Outerstellar use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

We use AI for some 3d models and images, but most of the content created is not generated by AI.

The statement mentions: Art

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 25, 2026. How to filter AI games on Steam