Single-player games like Imperius
Below are 8 single-player Steam games similar to Imperius, 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 Imperius page.
Ranked picks
- 1
Ashes of the Singularity: Escalation
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
- 2
Stronghold Crusader HD (2012)
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.
- 3
Planetary Annihilation: TITANS
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
- 4
Act of Aggression - Reboot Edition
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
Act of Aggression – Reboot Edition brings the techno-thriller RTS game Act of Aggression to a higher level. The Reboot Edition offers a full gameplay overhaul in skirmish mode against the AI and in your multiplayer battles.
- 5
Stronghold: Warlords
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
- 6
Tempest Rising
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war.
- 7
Eximius: Seize the Frontline
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
EXIMIUS is a FPS/RTS hybrid that focuses on squad-based combat. The game features an intense 5v5 multiplayer experience with each team comprising of 4 Squad Officers and one Commander.
- 8
Supreme Commander 2
Single-player alternative to Imperius — playable solo, no multiplayer required. Shares Strategy with Imperius.
Includes 47 Steam achievements, leaderboards, and stats!