Per Aspera
Mars terraforming strategy sim with planet-wide construction and logistics
Tlön Industries · Published by Raw Fury · Released Dec 3, 2020
- Reviews
- Mostly Positive
- 76% of 5,783
- Recent reviews
- Mixed
- 63% of 11 in 30 days
- Playing now
- 26
- peak 24h 33
- Steam Deck
- Playable
- Last update
- 3 months ago
- May 28, 2026
Metacritic: 78/100 (critic reviews)
What is Per Aspera?
Per Aspera is a Mars terraforming and base-building strategy sim in which you play AMI, an artificial consciousness preparing the planet for human settlement. You gather and refine resources, connect buildings, research technologies, and change Mars's environment. You can follow a story involving threats to your colonies or build in sandbox mode, which supports online co-op for up to four players.
For you if...
- +you enjoy long-term planning and resource management
- +you prefer building without combat in sandbox mode
Not for you if...
- −you want constant activity with little waiting
- −you expect direct control over resource delivery routes
- −you want combat to remain a central challenge
What players say
76% of 5,783 reviews are positive · 63% of 11 in the last 30 days
Players praise watching Mars change as terraforming progresses, and many enjoy the AI-focused story. Common complaints include long waits, frustrating resource deliveries, and an interface that becomes difficult to navigate as colonies grow. Some players also report bugs.
Screenshots and trailer
Per Aspera system requirements
As published by the developer.
Minimum
- OS
- Windows 10
- Processor
- Intel Core i5-7400 / AMD Ryzen 3 1200
- Graphics
- NVIDIA GeForce GTX 1050ti / AMD Radeon RX 570
- Memory
- 8 GB RAM
- Storage
- 10 GB available space
- DirectX
- Version 11
Recommended
- OS
- Windows 10
- Processor
- Intel Core i7-8700 / AMD Ryzen 5 3600
- Graphics
- NVIDIA GeForce GTX 1070 / AMD Radeon RX Vega 56
- Memory
- 16 GB RAM
- Storage
- 10 GB available space
- DirectX
- Version 11
PC version details
DRM, required accounts, controller support and Steam features.
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Achievements
- 55
- Steam features
- Workshop, Cloud saves, Family Sharing, Trading cards
Steam Deck: Playable
- Default controller config not fully functional
- Some text entry requires manually opening the on-screen keyboard
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
Multiplayer and co-op
Languages
Full audio: English. Text only: French, German, Spanish - Spain, Japanese, Portuguese - Brazil, Russian, Simplified Chinese.
Tags
- Online Co-Op
- Real-Time
- Management
- Strategy
- Automation
- Base Building
- City Builder
- Colony Sim
- Moddable
- Resource Management
- Building
- Simulation
- Robots
- Multiplayer
- Sandbox
- Space
Recent updates
- May 28, 2026 · Datamodel for modding
- May 12, 2026 · Hyperloop Bugfixing and Resource Stock QOL update
- Apr 9, 2026 · Patch notes - Endgame fix
- Mar 27, 2023 · Per Aspera HOME 1.8.2 is now LIVE!
- Feb 2, 2023 · 'Home' 1.8.1 Patch
7 DLC available.
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