
A faithful digital adaptation of the acclaimed board game Space Empires 4X by GMT Games, beloved by wargamers for almost two decades. Command the rise of your civilization and the fall of others, all in one to two hours.
Modeled estimate, not a reported figure. How we estimate →
About

Enjoy the depth of a 4X game in a fraction of the time! A game of Space Imperia 4X typically lasts one to two hours. The game is played over a series of rounds, with each consisting of three turns of movement, combat, and exploration, plus one turn of researching techs and building ships.

The only goal of the game is to eliminate all rival home worlds! Victory calls for a blended strategy, including resource management, ship construction, technological research, and tactical-level decisions on a map where no two games are the same.


Build up to 17 different combat and civilian ships, each with different stats and purposes.
Dreadnaughts are the most powerful ship available in the game. They take dedicated research and infrastructure to unlock and yield effectively. Once available, however, its combat stats are the best in the game and a fleet of them can decisively end the game. The counter: any ship is vulnerable to Mines — and these massive capital ships are no exception.
Raiders are Cloaked - nimble, first-strike craft that can move through enemy formations and get special bonuses in combat. They require a special technology to be built. A well-timed fleet of Raiders often leads to decisive victory. The counter: Raiders don't work in Nebula, and Destroyers can equip Scanners to negate the cloaking.
Fighters are pure strength in numbers doctrine. Fighters are cheap to build, while Carriers are expensive and are required to move Fighters around the battlefield. Fighters attack earlier in combat, allowing them to first-strike other ships in large numbers. The counter: Scouts can equip Point Defense to shoot earlier than enemy Fighters, negating their advantages.


Research up to 14 different technologies, each with a distinct role. Master the full toolkit to outmaneuver and destroy your rivals.
Ship Size gates which hulls you can build. Bigger hulls take more hits to destroy and carry higher-level technology, but cost more to build and maintain.
Exploration allows Cruisers to equip advanced sensors which can discover adjacent systems without movement. Scout hazards like Black Holes safely, then craft an informed plan to defeat the enemy.
When ships of the same Weapon Class fire, the ships with higher Tactics shoot first, potentially securing kills before the other ship ever acts.


Uncover a galaxy filled with different terrain types, harvestable minerals, and derelict ship wrecks. Balance the risks and rewards of exploring Deep Space while carving a path toward your rivals' home worlds. Colonize newly-found habitable worlds. Not all worlds are the same - when colonizing, Barren Planets need special Terraforming technology, while Alien Planets require military action to clear alien ships.

Build and expand a network of Merchant Ships and Miners to increase credit income and economic production.
Manage your military fleet - decide what ships to build, what techs to equip them with, and how best to defeat the enemy's formations. Deploy your fleets on the battlefield to vie for control of deep space in order to ultimately destroy your enemy's home world. The combat system of Space Imperia 4X is a rewarding mixture of scouting, positioning, attacking, and bluffing - all combat ships are concealed from the enemy until first contact!

Play in over 10 different scenario setups of 2-4 players, with optional rules and various ways to play. Full multiplayer support, including live matches, long-term asynchronous games, as well as online co-op vs AI matches.
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Add-ons
Each DLC is estimated with the same model as a game, then summed — a modeled figure, not reported DLC sales.
Engagement
Reviews
Themes across 73 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Not up to launch quality for $25.
It's not merely a good implementation of the Space Empires 4X board game, it's a good space 4X game generally. Really nice bite-sized games with a hidden tech component that gives the player interesting options and keeps things engaging. As far as single-player goes, the AI is pretty dumb. It's difficult to imagine losing, assuming the human player knows how the game works. But it's still enjoyable (especially in a multiplayer game) and scales up nicely with the Threat mechanic, allowing for challenging games by giving the AI a boost. Overall, it's not going to be my favourite turn-based strategy game of all time or anything but it fits a specific niche really well and I'd recommend it happily in that regard.
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Languages: English*, French, Italian, German, Spanish - Spain*languages with full audio support
Hours played at review time, across 73 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
Excellent digital adaptation of a masterpiece of a game (albeit unplayable as a physical game, IMO). The developers are extremely agile. I can see myself spending hundreds of hours in this game. Thanks to GMT and to Breich Studios for bringing this one to its greatest potential.
AI and interface could use some work, and it doesnt have the expansions from the board game (yet!) but its great. Kinda plays like a mix of Strategic Command and Stellaris. Or Civ and Advanced Wars if you prefer. Its great. Default controller controls are kinda bad, but I havent tested with custom deck controls yet.
If you like space 4x, this is it. If you are a fan of the OG 4x board game Stellar Conquest, this is what you are looking for - and check out the physical game Space Empires 4X and all it's expansions. The game is a faithful implementation of Space Empires 4X board game - it is a fresh release so wrinkles are being ironed out with frequent small updates and quick response to the few bugs I've found. The devs are big fans of the board game, so this is a labor of love for them.
A really fun game. Impressed by the little details. The music and voice work is great for an indie game. Very responsive to feedback and bug patches. The quality of the game is better and better with each release.
The new update to include the Alien Empires scenario really adds to the game. Much more challenging than playing the standard AI.
Its unfinished with a lot of bugs and it crashes. No solo Modes integrated. Very disappointing at this state of development.
Eine wunderbare digitale Umsetzung des Brettspiels Space Empires 4x. Man merkt richtig, wie wichtig dem Entwickler dieses Projekt ist :-) Auf Kritik und Vorschläge wird prompt reagiert, das Spiel regelmäßig mit Updates versorgt! Die Erweiterungen sollen auch noch umgesetzt werden. Und schnell stellt sich beim Spielen das 'nur noch eine Runde, nur noch ein Zug'-Feeling ein ;-) Für Rundentaktiker und Brettspielliebhaber und natürlich für alle Fans von Space Empires 4x: unbedingt zugreifen!
Enjoying it so far - other than a few minor bugs that are quickly getting fixed it is totally playable out of the gate unlike many other titles. A couple humble suggestions: 1. Different graphic depictions for every system/world - hard to do in a board game but I think a lot easier on computer. 2: An alternate ship icon palate with a simple overhead ship silhouette view, a la Starfleet Battles counters, for ease of distinguishing ships on smaller screens and with older eyes.
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