helionaut

Open-world space exploration with tiny planets and an upgradeable ship

Sokpop Collective · Released Jul 6, 2020

Reviews: Very Positive; 94% of 219
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 6 years ago; Jul 15, 2020
Minimum PC: DirectX 9 GPU; 4 GB RAM · 0.2 GB disk; Full requirements

What is helionaut?

This single-player space adventure takes place in a procedurally generated universe, where your goal is to fix your TV. You fly between planets, gather resources, discover blueprints and ship parts, craft weapons and tools, and fight on land and in space.

For you if...

+you enjoy choosing where to explore next
+you prefer short adventures over lengthy campaigns

Not for you if...

−you want multiplayer exploration or cooperative crafting
−you dislike gathering resources to improve your equipment

What players say

94% of 219 reviews are positive

Players praise the gathering-and-upgrading loop, visual style, and soundtrack. Criticisms include awkward movement around small planets and controller interface problems, such as incorrect prompts and missing directional-pad menu navigation.

Screenshots and trailer

helionaut system requirements

Minimum: DirectX 9 GPU, 4 GB RAM, 0.2 GB of disk space.

As published by the developer.

Can my PC run helionaut?

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Minimum

OS: Windows 7
Processor: Dual Core 2 GHz
Graphics: DirectX 9 compatible with at least 500MB of memory
Memory: 4 GB RAM
Storage: 200 MB available space

Does helionaut have co-op or multiplayer?

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

Single-player

Does helionaut run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS
Achievements: 15
Steam features: Family Sharing
Languages: Text only: English.

Does helionaut 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