Single-player games like Space Imperia 4X
Below are 8 single-player Steam games similar to Space Imperia 4X, 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 Imperia 4X page.
Ranked picks
- 1
Mordfield Command
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
Set in a world seized by machines, Mordfield Command is a turn-based hex wargame. Reclaim territory under mounting pressure and expand your control of the battlefield. Move too slowly, and the Algorithm’s growing forces will overrun you.
- 2
Nexus 5X
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.
- 3
Warhammer 40,000: Gladius - Relics of War
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.
- 4
Hex of Steel
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
Hex of Steel is a refreshing WWII wargame covering all fronts featuring a certain amount of original mechanics. Fight in solo against finally a decent AI throughout Europe, Africa or the Pacific, or against a friend in the cross-platform PBEM or real time multiplayer. Coop is also an option!
- 5
Fantasy General II
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
The fantasy wargaming classic is back! Lead powerful heroes and mighty armies into battle in this critically acclaimed turn-based strategy milestone. Level up and train your units and guide them through a gripping story campaign to decide the fate of a world on the brink of destruction.
- 6
Lock 'n Load Tactical Digital: Core Game
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
Lock 'n Load Tactical is fast and Furious tactical combat that is fast to learn. In LnLT you get squads, weapon teams, armored vehicles, fixed-wing aircraft, and, in the modern-era games, helicopters. Individuals such as Leaders, Medics, Snipers, Chaplains, Advisors, and, of course, Heroes.
- 7
Headquarters: World War II
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
Headquarters: World War II is a fast-paced turn-based strategy game where your battlefield tactics are as important as your army management skills. Experience both sides of the war, battling in Europe as the USA, the UK, or Germany. Storm bunkers, occupy houses, win tank duels.
- 8
Panzer Corps 2
Single-player alternative to Space Imperia 4X — playable solo, no multiplayer required. Shares Strategy with Space Imperia 4X.
Panzer Corps 2 is the ultimate Second World War strategy game! Enjoy the time-proven gameplay formula which has been appreciated by millions of players over the years, brought to a whole new level of refinement up to the latest technical standards.