Helium Rain

Single-player space sim with Newtonian flight and a reactive economy

Deimos Games · Released Oct 11, 2018

Reviews: Mostly Positive; 79% of 339
Recent reviews: Not enough recent
Players: 1; daily peak, Nov 7, 2026
Steam Deck: Playable
Last update on Steam: 7 years ago; Mar 3, 2019
Minimum PC: GTX 470; 3.9 GB RAM · 4.9 GB disk; Full requirements

What is Helium Rain?

In this single-player space sim, you run a company competing for control of a planetary system around the gas giant Nema. You pilot ships between sectors to trade resources, complete contracts, and fight rivals while buying stations, upgrading ships, and building fleets.

For you if...

+you enjoy switching between piloting ships and planning fleets
+you prefer a laid-back space trading sandbox

Not for you if...

−you prefer constant action to trade and resource management
−you dislike balancing commerce with combat and rival factions

What players say

79% of 339 reviews are positive

Players praise the Newtonian flight physics and the approachable mix of trading and company management. Some say the game becomes repetitive or that its interface feels clunky.

Screenshots and trailer

Helium Rain system requirements

Minimum: GTX 470, 3.9 GB RAM, 4.9 GB of disk space.

As published by the developer.

Can my PC run Helium Rain?

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Minimum

OS: Windows 7 (64 bits)
Processor: Intel Core® i3
Graphics: NVIDIA GeForce® GTX 470 / AMD Radeon® HD 6870 / DX10 compatible GPU with at least 1GB VRAM
Memory: 4000 MB RAM
Storage: 5000 MB available space
DirectX: Version 10
Notes: Only 64 bits versions of Windows are supported.

Does Helium Rain have co-op or multiplayer?

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

Single-player

Does Helium Rain run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
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, Linux
Achievements: 23
Steam features: Cloud saves, Family Sharing, Trading cards
Languages: Text only: English, French, Russian.

Does Helium Rain 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 25, 2026. How to filter AI games on Steam