Space Engineers is a sandbox game about engineering, construction, exploration, and survival in space and on planets.
Starting at $24.99
Best IXION Alternatives ranked by AI · updated Aug 2026
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IXION is a single-player space-colony management game about operating a massive generation ship after an interstellar disaster. It combines sector-based station construction, resource logistics, crew welfare, exploration, and a structured story campaign.
Top 6 IXION alternatives
Epic Astro Story is a space-themed management simulation in which players build a colony, research technology, and expand across the galaxy. It...
Pros
- More approachable than most space-colony simulators
- Compact progression system with research, colonization, and tourism
- Playable in short sessions with a clear campaign structure
Cons
- Less strategically deep than Surviving Mars or RimWorld
- Limited customization compared with modern colony builders
- Repetitive optimization can emerge in longer playthroughs
From $4.99
Oxygen Not Included is a colony simulation in which players manage duplicants, build habitats, and engineer systems for oxygen, temperature, plumbing, and...
Pros
- Detailed thermodynamics, gases, liquids, and waste-management systems
- Strong colony-management layer adds consequences to engineering choices
- More informative visual feedback than Stationeers for complex systems
Cons
- No direct first-person construction or space-station building
- Duplicant management adds complexity absent from Stationeers
- Automation is less programmable and spatially free-form
From $24.99
Space Haven is a sci-fi colony management and survival simulation game about building and operating a spaceship populated by a small crew....
Pros
- Combines detailed spaceship construction with individual crew simulation
- Supports flexible ship layouts and modular expansion
- Mixes exploration, trading, resource gathering, and tactical combat
Cons
- Still has fewer polished systems and less content than RimWorld
- Combat and boarding encounters are less developed than dedicated space RPGs
- Can become repetitive during longer colonies
From $29.99
5
RimWorld is a sci-fi colony sim driven by an intelligent AI storyteller. Inspired by Dwarf Fortress, it offers deep gameplay and rich...
Pros
- Rich storytelling
- Mod support
Cons
- Graphics may not be appealing to everyone
- Can be challenging for new players
$34.99
Surviving Mars is a city-building simulation game set on the Red Planet, where you must manage resources and colonists to build a...
Pros
- Unique setting on Mars
- Challenging resource management gameplay
Cons
- Repetitive gameplay in later stages
- Limited variety in building options
Starting at $29.99
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