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Project Astra Dominium

Project Astra Dominium

Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.

Released Jan 14, 2024 Developer Snob Entertainment UG Platforms Windows · Mac · Linux Tower DefenseIndieAutomationCraftingEconomy
View on Steam ↗ $9.99 (US · as of 2026-05-14)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

88.8%positive89 reviews
Not recommended · 0 found this helpful

“this game is a ♥♥♥♥♥♥♥ joke. It has been in developpement forever since lauch and what do we get a big ♥♥♥♥♥♥♥ nothing, Devs do not know how explanation. But they will tell you a thousand times (We are sorry) Don't be sorry just finish your ♥♥♥♥♥♥♥ game so we can play it without…”

— a player, Steam review · 105 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

73achievements
18.8%median completion
1.4%rarest: Athena Prime
92.8% of players 92.5% of players 87.5% of players 80.2% of players 73.2% of players 71.4% of players 68.1% of players 68.0% of players 65.4% of players 64.0% of players 63.1% of players 62.5% of players 61.1% of players 58.4% of players 56.0% of players 54.3% of players 46.2% of players 40.3% of players 39.8% of players 38.9% of players 36.9% of players 33.5% of players 32.9% of players 32.3% of players 31.3% of players 28.5% of players 27.6% of players 27.4% of players 26.9% of players 26.4% of players 24.1% of players 22.0% of players 21.4% of players 19.9% of players 19.9% of players 18.8% of players 18.8% of players 17.6% of players 17.0% of players 16.2% of players 16.1% of players 15.3% of players 15.3% of players 14.8% of players 14.8% of players 14.5% of players 13.6% of players 13.2% of players 13.0% of players 12.9% of players 12.7% of players 12.2% of players 12.0% of players 11.5% of players 10.2% of players 9.8% of players 9.4% of players 9.1% of players 9.0% of players 8.1% of players 92.8% 0% most earned rarest
Almost everyone has
92.8%Level Up! — Reach Level 2
92.5%Battle Seasoned I — Kill 100 Enemies
87.5%Secure Planet Traebis IV — Win all Levels on Traebis IV
Rarest badges of honor
1.4%Athena Prime — Reach Level 1.000
2.8%Attack 100 times with a crafted Beacon — Attack 100 planets with a crafted Beacon to improve your resource income
3.1%Halfway There — Reach Level 500

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 10, 2026
All quiet on the Astra front

Hello all you lovely AIs out there! Again it's been quiet around the 2.0 update and again we are very sorry for that! There's no sugar coating it, we sucked at least at 3 things: Posting news, keeping

Mar 09, 2026
Steam Tower Defense Fest and 30% off

Project Astra Dominium is happy to announce that we are once again taking part in the Tower Defense Fest from March 9–16 here on Steam, and that the game will be 30% off for the duration of the event

Mar 05, 2026
2.0 Update Progress and Open Beta

Hello all you lovely AIs out there! First of all, we wanted to let you know that we have finished most of the major features and systems that we wanted to overhaul or introduce with the 2.0 update and

Dec 13, 2025
Dev Diary - Upcoming 2.0 Combat Changes

Well, nowadays this greeting that we've used for so long seems somewhat odd, but here it goes: Hello all you lovely AIs out there! The work on 2.0 is going well so far, even if we had some minor priva

Jul 31, 2025
Project Astra Dominium 2.0 is coming!

July 2025 was an incredible month for Project Astra Dominium, and we want to give a massive thank-you to all our players – both longtime fans and newcomers alike. Your support means everything to us!

Games like Project Astra Dominium

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

InfraSpace InfraSpace 79.8% · 1,198 reviews shares Automation, Economy, Base Building, Resource Management shapez 2 - Factory shapez 2 - Factory 97.5% · 8,922 reviews shares Automation, Base Building, Crafting, Futuristic Microtopia Microtopia 87.6% · 540 reviews shares Automation, Base Building, Resource Management, Crafting Cliff Empire Cliff Empire 84.9% · 1,746 reviews shares Economy, Tower Defense, Base Building, Resource Management Little Big Workshop Little Big Workshop 80.2% · 1,405 reviews shares Automation, Economy, Base Building, Resource Management Factory Town Factory Town 91.1% · 2,607 reviews shares Automation, Economy, Base Building, Resource Management Dyson Sphere Program Dyson Sphere Program 96.2% · 25,223 reviews shares Automation, Base Building, Resource Management, Space Stranded: Alien Dawn Stranded: Alien Dawn 82.8% · 6,121 reviews shares Base Building, Resource Management, Crafting, Space

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresIndie, Simulation, Strategy
Player tagsTower Defense · Indie · Automation · Crafting · Economy · Base-Building · Space · PvE · Aliens · Singleplayer · Strategy · Gun Customization (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Cloud · Stats · Steam Leaderboards · Family Sharing
LanguagesEnglish * , French, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Portuguese - Portugal, Simplified Chinese *
Achievements73
Official sitehttps://snobentertainment.com
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 or later (64-Bit) Processor: i5-3570 3.4 GHz 4 Core Memory: 8 GB RAM Graphics: Dedicated graphics card, GTX 970 DirectX: Version 11 Storage: 8 GB available space