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Idle Space War

Game overview

Idle Space War

Idle Space War is an idle space simulation game where you upgrade your spaceship, explore distant planets, and collect resources. Progress continues even when you’re offline. Customize your ship, develop strategies for unique planets, and enjoy a relaxing yet engaging interstellar adventure.

Simulation
Last tracked players
Unavailable
All-time peak
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24-hour change
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Player data unavailable. Values marked unavailable are not estimated.

About this game Read the full description

About the Game:

Idle Space War is an idle simulation game set in the vast reaches of space. Players upgrade their spaceships, explore uncharted planets, and gather valuable resources along the way. Progress continues even when the game is closed, making it perfect for busy players who want to enjoy the game at their own pace. While combat elements are present, the game focuses on customization and growth, offering a relaxing yet deeply engaging experience with plenty of content to explore.

Details:

• Spaceship Upgrades: Add new modules and equipment to build your own unique spaceship. Enhance its performance to explore distant planets and unlock new adventures.

• Idle Resource Collection: Resources are automatically gathered even when you’re not playing. Simply log in periodically to collect rewards and watch your spaceship evolve.

• Planet Exploration: Visit a variety of planets and develop strategies to adapt to their unique environments. Each planet holds rare resources and hidden treasures to discover.

• Easy Controls: Simple, intuitive interface that allows even beginners to jump in and start playing right away.

Key Features:

• Immersive space experience with captivating visuals

• Extensive upgrade options to tailor gameplay to your style

• A perfect blend of idle gameplay simplicity and in-depth progression

• In-game goals and achievement systems to keep you motivated

Take your spaceship and embark on an epic journey through the vast universe, discovering uncharted planets and hidden treasures along the way!

Player activity

Concurrent players over the last 48 hours.

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System requirements Windows · macOS

Windows

Minimum

Minimum:
  • OS *: Windows 7 SP1 or later
  • Processor: Intel Core i3 or equivalent
  • Memory: 4 GB RAM
  • Graphics: Intel HD Graphics 4000 or equivalent
  • DirectX: Version 10
  • Network: Broadband Internet connection
  • Storage: 500 MB available space
  • Sound Card: Standard sound device
  • VR Support: Not supported

Recommended

Recommended:
  • OS: Windows 10
  • Processor: Intel Core i5 or equivalent
  • Memory: 8 GB RAM
  • Graphics: NVIDIA GeForce GTX 960 or
  • DirectX: Version 12
  • Network: Broadband Internet connection
  • Storage: 1 GB available space
  • Sound Card: High-performance audio device
  • VR Support: Not supported

macOS

Minimum

Minimum:
  • OS: macOS 10.12 (Sierra) or later
  • Processor: Intel Core i3 (or Apple Silicon with
  • Memory: 4 GB RAM
  • Graphics: Integrated Intel HD Graphics 4000 or equivalent
  • Storage: 500 MB available space
  • Sound Card: Standard sound device

Recommended

Recommended:
  • OS: macOS 11.0 (Big Sur) or later
  • Processor: Apple M1 or Intel Core i5
  • Memory: 8 GB RAM
  • Graphics: Dedicated GPU, such as AMD Radeon Pro 560X or Apple M1 GPU
  • Storage: 1 GB available space
  • Sound Card: High-performance audio device
Game details Languages, features & support
Publisher
Idle System, Inc.
Brazilian rating
14
Steam Germany rating
12
Features
Single-player, Family Sharing
Languages
English, French, German, Spanish - Spain, Japanese, Indonesian, Portuguese - Portugal, Simplified Chinese, Korean
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (9)
LanguageInterfaceFull audioSubtitles
EnglishYesNoNo
FrenchYesNoNo
GermanYesNoNo
Spanish - SpainYesNoNo
JapaneseYesNoNo
IndonesianYesNoNo
Portuguese - PortugalYesNoNo
Simplified ChineseYesNoNo
KoreanYesNoNo
Steam store page fresh · checked 2026-10-01 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Frequently Asked Questions

Is Idle Space War free to play?
Yes, Idle Space War is free to play on Steam.
What genre is Idle Space War?
Idle Space War is a Simulation game.
Who developed Idle Space War?
Idle Space War was developed by Suupia and published by Idle System, Inc..
What platforms does Idle Space War support?
Available on Steam for Windows, macOS.