PCGame

Per Aspera

Mars terraforming strategy sim with planet-wide construction and logistics

Tlön Industries · Published by Raw Fury · Released Dec 3, 2020

IndieSimulationStrategy

Reviews
Mostly Positive
75% of 4,228
Recent reviews
Mixed
60% of 10 in 30 days
Players
37
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
5 months ago
May 28, 2026
Minimum PC
RX 570
8 GB RAM · 10 GB disk
Full requirements

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

75% of 4,228 reviews are positive · 60% of 10 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.

Players over time

▼ -10% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 59 players on Oct 26, 2026.

Show the data
DayPlayers
Nov 7, 202637
Nov 6, 202629
Nov 5, 202631
Nov 4, 202621
Nov 3, 202628
Nov 2, 202622
Nov 1, 202637
Oct 31, 202626
Oct 30, 202630
Oct 29, 202621
Oct 28, 202630
Oct 27, 202638
Oct 26, 202659
Oct 25, 202641
Oct 24, 202641
Oct 23, 202636
Oct 22, 202640
Oct 21, 202627
Oct 20, 202629
Oct 18, 202642
Oct 17, 202633
Oct 16, 202628
Oct 15, 202628
Oct 14, 202634
Oct 13, 202621
Oct 11, 202638
Oct 10, 202633
Oct 9, 202638
Oct 8, 202629
Oct 7, 202631
Oct 6, 202633
Oct 4, 202637
Oct 3, 202635
Oct 2, 202627
Oct 1, 202636
Sep 30, 202628
Sep 29, 202629
Sep 27, 202639
Sep 26, 202626
Sep 25, 202630
Sep 24, 202621
Sep 23, 202626
Sep 23, 202633
Sep 22, 202635
Sep 21, 202644

How many players finish Per Aspera?

12% of Steam players have unlocked «The Martian Republic», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Per Aspera screenshot 1

Per Aspera system requirements

Minimum: RX 570, 8 GB RAM, 10 GB of disk space.

As published by the developer.

Can my PC run Per Aspera?

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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

Does Per Aspera have co-op or multiplayer?

Yes: co-op online. It also has a single-player mode.

Does Per Aspera run on Steam Deck?

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

  • 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

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
55
Steam features
Workshop, Cloud saves, Family Sharing, Trading cards
Languages
Full audio: English. Text only: French, German, Spanish - Spain, Japanese, Portuguese - Brazil, Russian, Simplified Chinese.

Does Per Aspera 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 27, 2026. How to filter AI games on Steam

Tags

Recent updates

7 DLC available.

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