What is Interstellar Space: Genesis?
A single-player, turn-based 4X strategy game in which you lead a civilization seeking control of the galaxy. You survey star systems, colonize and develop worlds, research technology, negotiate with other empires, and design ships for tactical battles.
For you if...
- +you enjoy building space empires one turn at a time
- +you like customizing races, ships, and galaxy settings
Not for you if...
- −you want a fast start with little waiting
- −you want to play space strategy with other people
What players say
84% of 850 reviews are positive
Players praise its approach to classic space 4X, especially exploration and empire building. Complaints include a slow opening and mechanics that some players find shallow or restrictive.
Screenshots and trailer
Interstellar Space: Genesis system requirements
As published by the developer.
Minimum
- OS
- 64-bit Windows 10 / 8.x / 7
- Processor
- 2.5Ghz Intel Core 2 or equivalent
- Graphics
- Intel HD 4000 series / ATi Radeon HD 4650 series / NVidia GeForce GT 610 or equivalent / or a graphics card with 1GB+ video memory
- Memory
- 4 GB RAM
- Storage
- 8 GB available space
- DirectX
- Version 11
- Notes
- Minimum Resolution: 1280 x 720
Recommended
- OS
- 64-bit Windows 10 / 8.x / 7
- Processor
- 3.5Ghz Intel Core i5 or better
- Graphics
- 1GB NVidia GTX 660 or better / 1GB ATI HD7850 or better
- Memory
- 6 GB RAM
- Storage
- 8 GB available space
- DirectX
- Version 11
- Notes
- Recommended Resolution: 1920 x 1080
PC version details
DRM, required accounts, controller support and Steam features.
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Achievements
- 65
- Steam features
- Cloud saves, Family Sharing
Steam Deck: Playable
- 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
Tags
- Strategy
- Indie
- 4X
- Sci-fi
- Space
- Turn-Based
- Turn-Based Strategy
- Exploration
- Singleplayer
- Turn-Based Tactics
- Grand Strategy
- Turn-Based Combat
- Procedural Generation
- Replay Value
- Futuristic
- War
Recent updates
- Sep 29, 2025 · Update 1.6.4 Released
- May 22, 2025 · Interstellar Space: Genesis - Free 1.6.3 Update Released!
- May 19, 2025 · ISG Dev Diary 25: Update 1.6.3 Beta on unstable branch
- May 12, 2025 · ISG Dev Diary 24: Game status - Next free update and Expansion 3
- Jan 30, 2024 · ISG Dev Diary 23: Update 1.6.2 and Terrains Pack
4 DLC available.
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