Browse Games like Other platforms How it works

/

Obscure

Astro Protocol

94% positive of 70 Steam reviews

Released: 2026
Steam Deck: Playable
Platforms: Steam

Made by Null Vector Studios.

About the game

High-stakes, turn-based 4X space strategy distilled into intense matches of about an hour. Lead one of six premade factions, or design your own, against an AI that plays to win. Randomized techs, anomalies, maps and victory conditions make every match unique.

Tagged by players

4X
Grand Strategy
Hex Grid
Grid-Based Movement
Turn-Based Strategy
Turn-Based Tactics
Tactical
Procedural Generation
Resource Management
Space
Base Building
Turn-Based Combat

What players say

Games like Astro Protocol

See all games like Astro Protocol

Space Imperia 4X

57% match4X, Turn-Based Tactics, Similar premise

Dynasty Protocol

56% match4X, Grand Strategy, Similar premise

Galactic Civilizations IV

52% match4X, Grand Strategy, Similar premise

72%2.2K reviews

Space Empires II

54% match4X, Grand Strategy, Similar premise

Interstellar Space: Genesis

52% match4X, Grand Strategy, Similar premise

Emperor of the Fading Suns Enhanced

46% match4X, Turn-Based Strategy

Stellar Reach

50% match4X, Grand Strategy

Antiyoy

43% matchGrand Strategy, Hex Grid

Ozymandias: Bronze Age Empire Sim

48% match4X, Grand Strategy

89%1.3K reviews

Space Wars: Interstellar Empires

39% matchHex Grid, Tactical

Conqueror's Stage

45% match4X, Grand Strategy

Star Traders: 4X Empires

46% match4X, Grand Strategy

Not affiliated with Valve. Steam is a trademark of Valve Corporation.Privacy Settings

Very Positive

What players say

Recommended
TLDR; I recommend this game if you are new to 4x games and felt daunted with many of the offerings out there like x3: don’t try x3 if you don’t have hours on top of hours to research; or if you are limited on time. This is also perfect for players like me that aren’t the best gamers and also want more casual games that are fun to play. Now the longer part (but not too long) I love the idea of 4x games. I'm an…
11 h played when written. 1 found it helpful.
Read on Steam
Recommended
This is a fantastic 4x space strategy game with clever ideas and a tight presentation. The developer has done a good job supporting it and refining it, too, and I wholeheartedly recommend it to anyone interested in the 4x genre.
34 h played when written. 1 found it helpful.
Read on Steam
Not recommended
For a coffee break 1x it is fine. 1x = exterminate with no real other options. There is a tiny miniscule amount of exploring (anomalies but they are tricky), and an even tinier amount of exploitation, and expansion. Obviously given no real obstacles to expansion but there is no real place to expand to. So as I said, a coffee break game (20mins should do it) with no depth. Is it worth the price? That's for you to…
4.7 h played when written. 2 found it helpful.
Read on Steam

All reviews on Steam