Single-player games like Space Empires IV Deluxe
Below are 16 single-player Steam games similar to Space Empires IV Deluxe, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Space Empires IV Deluxe page.
Ranked picks
- 1

Space Empires V
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Space Empires V is the latest edition in the Space Empires series. This new chapter completely updates the UI and takes the player into a real-time rendered 3D universe. Watch space battles played out in glorious detail and realistic effects. Expand, Explore, Exploit, and Exterminate in a huge living breathing galaxy.
- 2

Sword of the Stars: Complete Collection
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Sword of the Stars: Complete Collection is the original Sword of the Stars games and the three expansions Born of Blood, A Murder of Crows and Argos Naval Yard. It is the year 2405, and human scientists have discovered a new technology that allows travel from star to star at speeds faster than light.
- 3

Galactic Civilizations® I: Ultimate Edition
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.
- 4

Galactic Civilizations® II: Ultimate Edition
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!
- 5

ENDLESS™ Space - Definitive Edition
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.
- 6

The Last Federation
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
- 7

Age of Wonders: Planetfall
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.
- 8

Sid Meier's Starships
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.
- 9

Stellaris
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
- 10

Master of Orion 2
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.
- 11

Master of Orion
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
- 12

Space Empires II
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Explore the galaxy, discover and colonize new planets to acquire enough resources. Design your ships, choosing from different hulls, weapons, shields, and several devices. Once you advance with technologies, new systems will be available, and you will have to update your designs.
- 13

Distant Worlds 2
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Distant Worlds 2 is a vast, pausable real-time 4X space strategy game.
- 14

Space Empires: Starfury
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
In Space Empires: Starfury you are on a wild intergalactic ride through the Space Empires universe. You are an undercover agent for the TCN (Terran Confederation Navy) trying to determine the cause of a recent escalation of pirate attacks in the Neutral territories.
- 15

Space Empires I
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
Space Empires I is the first chapter of the Space Empires series. A classic galactic conquest and turn-based strategy video game where you are the leader of a race of intelligent beings building large spaceships for interplanetary and interstellar travel through warp points between star systems.
- 16

Space Empires III
Single-player alternative to Space Empires IV Deluxe — playable solo, no multiplayer required. Shares Strategy with Space Empires IV Deluxe.
The third game within the Space Empires series brings the dawn of a new age of exploration. Your race keeps running through the fabric of space and moves to other solar systems beyond your own.