Games like AI War 2

If AI War 2 left you wanting something replayable and tense, you have options. You will find a few strong contenders among these games.

Sins of a Solar Empire II
A real-time 4X where tactics and empire-building happen in one mode with no turns. You zoom from missile-by-missile fleet fights to managing orbiting planets across a living galaxy, leading one of six factions from the TEC, Vasari, and Advent to victory by war, trade, culture, or diplomacy.
Also in Co-op · Replayable, Competitive
82% of 7,270 Steam reviews are positivePlayers online now: 719$49.99
Galactic Civilizations® II: Ultimate Edition
The complete Galactic Civilizations II saga in one package: a turn-based 4X where you lead a spacefaring civilization across a randomly generated galaxy. Design your own ships, outwit opponents who play fair, and win by war, culture, diplomacy or technology. Deep, endlessly replayable, and still a benchmark for space strategy.
Replayable
80% of 959 Steam reviews are positivePlayers online now: 35$9.99
Imperium Galactica II
A classic space empire builder from 1999, back with sharper textures and modern resolutions. Run a galactic power in real time: colonize planets, raise cities, design ships and tanks, spy on rivals or simply outbuild them. Three races, three campaigns, huge battles in space and on the ground. Old-school in the best way, and still hard to put down.
Replayable, Competitive
87% of 598 Steam reviews are positivePlayers online now: 29$9.99
Distant Worlds 2
A vast pausable real-time 4X space strategy game. Generate a galaxy of up to 2,000 star systems, run an empire where every freighter and fleet is simulated, and decide how much of it you want to control yourself. No two galaxies play out the same.
Replayable
71% of 2,683 Steam reviews are positivePlayers online now: 131$49.99
Ashes of the Singularity II
Command thousands of units across continent-sized battlefields in a war for the solar system. Pick humanity, the AI Substrate or the Post-Human Coalition, plan where your forces and materials go, and win with strategy rather than fast fingers.
Also in Co-op · Replayable, Competitive
67% of 412 Steam reviews are positivePlayers online now: 721$55.99
ENDLESS Legend™ 2
A fantasy 4X on an ocean world that keeps changing under you. Lead wildly different factions, from star-descended knights to a hive that only knows how to feed, raise armies, and race to uncover what stirs beneath the planet. Every faction plays differently, and the tidefalls keep the map, and your plans, moving.
Replayable
82% of 3,797 Steam reviews are positivePlayers online now: 354$49.99
Battle for Orion 2
Earth has been destroyed. Mankind is fractured. The galaxy is at war. But one hope remains: a new home for mankind. Probes detected a habitable planet in the Orion sector. You must fight your way to it, but nothing is as it seems. A more devious plan is underway that threatens the entire galaxy.
Replayable, Tense, Competitive
80% of 59 Steam reviews are positive$14.99
Chaos Galaxy 2
A turn-based Galaxy totalwar game. Choose one of 12 factions, direct dozens of admirals, control hundreds of warships, mecha and monsters, set up various buildings, study technology, and lead fleets to carry out grand strategic actions on the map of the galaxy.
Replayable
82% of 305 Steam reviews are positivePlayers online now: 3$19.99
Terra Invicta
Pick one of seven human factions and fight over how to face an alien invasion: seize control of Earth's nations from the shadows, research your way into space, mine asteroids, and build fleets for Newtonian fleet battles across a moving Solar System.
Replayable, Tense
79% of 9,174 Steam reviews are positivePlayers online now: 573$39.99
Star Ruler
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Replayable, Competitive
86% of 261 Steam reviews are positive$7.99
Solar Nations 2
Grand strategy in 2092: take the helm of a Solar System Great Power, colonize nine worlds, build space fleets ship by ship, and fight wars that can end in nuclear fire. Deep politics, wild alternate histories, and a whole solar system to conquer, alone or with friends.
Also in Co-op · Replayable, Competitive
85% of 667 Steam reviews are positivePlayers online now: 36$14.99
Space Empires V
A turn-based space 4X on a huge scale: explore a galaxy of 100 solar systems, research thousands of tech levels, design every ship from the hull up and test it in a combat simulator before it ever fires a shot. Deep, demanding, endlessly moddable, and the kind of empire builder that keeps pulling you back for one more turn.
Replayable, Competitive
73% of 424 Steam reviews are positivePlayers online now: 12$14.99

Cheaper than AI War 2

AI War: Fleet Command

"You are outgunned. You are massively outnumbered. You must win." These are your orders.

$9.99

Galactic Civilizations® II: Ultimate Edition

Guide a spacefaring civilization through a randomly generated galaxy, designing ships and choosing whether war, culture, diplomacy or technology…

$9.99

Imperium Galactica II

Colonize planets, design your fleets and outsmart rival empires across three very different campaigns.

$9.99

Ashes of the Singularity: Escalation

Build economies, claim territory and time your strikes across whole worlds, alone or with friends.

$5.99

Battle for Orion 2

Earth has been destroyed. Mankind is fractured. The galaxy is at war. But one hope remains: a new home for mankind.

$14.99

Star Ruler

Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option…

$7.99

Solar Nations 2

Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.

$14.99

Space Empires V

Explore a hundred-system galaxy, research new technology, design your own ships and grow a turn-based empire that plays out differently every time.

$14.99

From Glory To Goo

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

$7.79

Warrior Kings: Battles

Warrior Kings: Battles maintains the excitement that made Warrior Kings a leading RTS.

$8.99

Emperor of the Fading Suns Enhanced

Command interstellar forces in this epic return of the 4X strategy classic.

$9.99

After the Empire

Build a galaxy-spanning machine empire! Bend galactic geography to your will to seize hundreds of territories with Fleet, Crypto and Glory.

$7.99

Hidden gems like AI War 2

Riftborne

Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare.

$7.99

Emperor of the Fading Suns Enhanced

Command interstellar forces in this epic return of the 4X strategy classic.

$9.99

From Glory To Goo

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

$7.79

Annihilate The Spance

Annihilate The Spance is a single-player RTS where your shipyards build endlessly and your ships fight on their own.

$29.99

ZeroSpace

Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.

$39.99

ENDLESS Legend™ 2

Guide one of several distinct factions across a living ocean planet, building armies and economies while the tides reshape your route to victory.

$49.99

Sid Meier's Alpha Centauri™ Planetary Pack

Lead a faction of ideologues across an alien world, out-think six rivals and shape a whole planet's future one turn at a time.

$4.99

Solar Nations 2

Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.

$14.99

Executive Assault 2

Run a space empire from the strategy map, then take direct control of a ship, robot or turret to fight the battle yourself.

$24.99

Terra Invicta

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

$39.99

Sins of a Solar Empire II

A real-time 4X where tactics and empire-building happen in one mode with no turns.

$49.99

Chaos Galaxy 2

A turn-based Galaxy totalwar game. Choose one of 12 factions, direct dozens of admirals, control hundreds of warships, mecha and monsters, set up…

$19.99

Newest games like AI War 2