Single-player games like The Outpost: Outer Frontier
Below are 9 single-player Steam games similar to The Outpost: Outer Frontier, 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 The Outpost: Outer Frontier page.
Ranked picks
- 1
Millennium Conflict
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy and Indie with The Outpost: Outer Frontier.
You are the last survivor. Capture towers, command a squad of unique generals, and battle through 40 missions across 10 distinct worlds as you fight to reclaim a universe that has fallen to the enemy.
- 2
Soul Tides
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy with The Outpost: Outer Frontier.
Command dark armies in this tug-of-war auto-battler. Build your base, summon units, customize abilities, and push the battlefield toward your enemy’s stronghold. Adapt your strategy each match and dominate in PvP, co-op, or Trials mode.
- 3
Ashes of the Singularity II
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy with The Outpost: Outer Frontier.
In this massive RTS game, command vast armies fighting for control of entire worlds. Control the forces of Earth, the mechanical AI Substrate, or the enigmatic Post-Human Coalition as you battle across the solar system in single player, cooperative multiplayer, or competitive multiplayer.
- 4
Mechs & Mercs: Black Talons
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy and Indie with The Outpost: Outer Frontier.
You are the commander of the Black Talons company, currently stationed in the Oberon system. After an eventful campaign, the military Tzanar Union has overrun the planet of Genai and blocked all departure from the system: leaving you and the Black Talons stranded.
- 5
AI War 2
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy and Indie with The Outpost: Outer Frontier.
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
- 6
Aliens: Dark Descent
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy with The Outpost: Outer Frontier.
Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
- 7
Commandos: Origins
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy with The Outpost: Outer Frontier.
ALARM! You have been selected for a mission which will shape the fate of the entire world. Witness the very beginning of the legendary elite WWII force in Commandos: Origins. The long-awaited sequel to the Commandos series brings you right back to the foundation of the real-time tactics genre.
- 8
Broken Arrow
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy with The Outpost: Outer Frontier.
Broken Arrow is a large-scale real-time modern warfare tactics game that combines the complexity of joint-forces wargaming with action-packed real-time tactics gameplay.
- 9
Classic Tower Defense 2
Single-player alternative to The Outpost: Outer Frontier — playable solo, no multiplayer required. Shares Strategy and Indie with The Outpost: Outer Frontier.
Classic tower defense rules meet modern systems. Build medieval towers, face adaptive waves, and experiment with upgrades, modifiers, and roguelike progression.