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Per Aspera

Per Aspera

Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.

Released Dec 3, 2020 Developer Tlön Industries Publisher Raw Fury Platforms Windows Online Co-OpReal-TimeManagementStrategyAutomation
View on Steam ↗ $7.49 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

75.9%positive5,484 reviews
Recommended · 9 found this helpful

“I’ve put over 125 hours into Per Aspera, and it’s one of those rare games I keep coming back to. What really stands out is how unique it feels compared to other city-builders. Managing the transformation of Mars while balancing resources, expansion, and long-term planning keeps…”

— a player, Steam review · 126 hrs played
Recommended · 7 found this helpful

“I'm still trying to decide what I think. I loved Surviving Mars, and have like 150 hours or so in that. I really want to like this game more, and I think I do like it? It's definitely worth the price when it's on sale. I just think there are things they could have done to make…”

— a player, Steam review · 8 hrs played
Not recommended · 16 found this helpful

“The game is simplistic, the pace is painfully slow, the graphics are basic, and the autosave doesn't work. I've lost a few hours of play when it crashed, and the thought of going back and slogging through the part I've already done... I'd rather just uninstall it. It's a no from…”

— a player, Steam review · 12 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:59 UTC · history via SteamCharts.

49playing at last check
6224-hour peak
8,256all-time peak
0 1k 2k 2021 2022 2023 2024 2025 2026 1k avg · Oct 2022

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

55achievements
11.7%median completion
0.9%rarest: Full Colonization
70.9% of players 53.6% of players 50.7% of players 39.4% of players 38.6% of players 36.5% of players 35.1% of players 30.3% of players 25.9% of players 25.3% of players 24.7% of players 24.7% of players 24.2% of players 23.7% of players 23.3% of players 21.9% of players 20.8% of players 20.8% of players 20.8% of players 19.7% of players 19.4% of players 19.4% of players 18.8% of players 18.6% of players 17.0% of players 16.7% of players 13.6% of players 11.7% of players 11.2% of players 10.3% of players 10.1% of players 9.7% of players 9.5% of players 9.5% of players 7.1% of players 6.1% of players 5.9% of players 5.6% of players 5.5% of players 5.0% of players 4.7% of players 4.0% of players 3.8% of players 3.4% of players 3.4% of players 2.7% of players 2.6% of players 2.2% of players 2.1% of players 1.8% of players 1.7% of players 1.6% of players 1.4% of players 1.2% of players 0.9% of players 70.9% 0% most earned rarest
Almost everyone has
70.9%Otherness — Welcome Humans.
53.6%Pushing The Limits — Hidden achievement
50.7%Terraformer I — Complete stage 1 of the terraforming plan
Rarest badges of honor
0.9%Full Colonization — Reach 1 million population
1.2%True Wisdom — [Blue Mars] Research all special sites on Mars
1.4%Oxy-UN — [Blue Mars] Research all of Oxy-UN's artifacts on Mars.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$7.49−75% right nowcurrent · sampled 2026-07-26 08:39 UTC
$29.99base price
$7.49lowest since tracking began2026-07-20
US7.49 USD−75%
EU7.49 EUR−75%
UK6.24 GBP−75%
Australia10.98 AUD−75%
Canada9.74 CAD−75%
Japan850 JPY−75%
Brazil22.24 BRL−75%
China22.50 CNY−75%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$3.3 Brazil Japan Canada US Australia UK EU≈$8.5

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

May 28, 2026
Datamodel for modding

Just a small update, including the complete datamodel for modding - includes Blue Mars (won't work without the DLC). Thanks for all the support, Ad Astra! - the Per Aspera team

May 12, 2026
Hyperloop Bugfixing and Resource Stock QOL update

Hello Terraformers! Today, we bring this bugfixing & QoL update, which should improve the overall experience of Per Aspera. Drones will behave better when using hyperloops, and you will now be able to

Apr 13, 2026
Raw Fury Publisher Sale

It’s Raw Fury Publisher Sale time which means there are some fantastic deals to be had including 75% off Per Aspera until 27 April 2026! Per Aspera is a planetary simulation game combining hard scienc

Apr 10, 2026
Per Aspera x Solar Expanse Bundle

If you’re anything like us all you have done for the last 10 days is think about space. 🚀🧑‍🚀👨‍🚀 Good news, you don’t have to stop now! Introducing the Per Aspera x Solar Expanse Bundle, bringing toget

Apr 09, 2026
Patch notes - Endgame fix

Hello Martians! We've updated the version with the endgame fix. Ad Astra! - the Per Aspera team

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresIndie, Simulation, Strategy
Player tagsOnline Co-Op · Real-Time · Management · Strategy · Automation · Base-Building · City Builder · Moddable · Colony Sim · Resource Management · Building · Robots (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Co-op · Online Co-op · Steam Achievements · Steam Trading Cards · Steam Workshop · Steam Cloud
LanguagesEnglish * , French, German, Spanish - Spain, Japanese, Portuguese - Brazil, Russian, Simplified Chinese *
Achievements55
Estimated owners200,000 – 500,000 (SteamSpy)
Official sitehttp://per-aspera.vg
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel Core i5-7400 / AMD Ryzen 3 1200 Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 1050ti / AMD Radeon RX 570 DirectX: Version 11 Storage: 10 GB available space Sound Card: DirectX Compatible Sound Card