IMHO.

Single-player games like Expedition: Shadow World

Below are 8 single-player Steam games similar to Expedition: Shadow World, 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 Expedition: Shadow World page.

Ranked picks

  1. 1
    Space Alliance: Frontier — Steam game cover

    Space Alliance: Frontier

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy and Indie with Expedition: Shadow World.

    Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens. Control an entire fleet of spaceships, trade with other races of an Alliance, and develop your own space station.

    2025StrategyIndieRPG6.99 USDSingle-playerSimilar games →
  2. 2
    Aliens: Dark Descent — Steam game cover

    Aliens: Dark Descent

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy with Expedition: Shadow World.

    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.

    2023ActionStrategy39.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Line Of Defense Tactics - Tactical Advantage — Steam game cover

    Line Of Defense Tactics - Tactical Advantage

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy and Indie with Expedition: Shadow World.

    A real-time strategy combat game based on the world of the Line Of Defense. Command a team of four Galactic Command marines in highly classified missions in space and on planets.

    2014ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  4. 4
    Swarm Queen — Steam game cover

    Swarm Queen

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy and Indie with Expedition: Shadow World.

    A quick-to-learn but challenging real-time strategy game where you spawn an army of space-bugs that control themselves.

    2017StrategyIndieSimulation7.49 USDSingle-playerSimilar games →
  5. 5
    CARNAGE OFFERING Tower Defense — Steam game cover

    CARNAGE OFFERING Tower Defense

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy and Indie with Expedition: Shadow World.

    The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!

    2023ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  6. 6
    ReEarth — Steam game cover

    ReEarth

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy and Indie with Expedition: Shadow World.

    ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!

    2024StrategyIndieRPG7.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Grey Goo — Steam game cover

    Grey Goo

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy with Expedition: Shadow World.

    Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.

    2015Strategy29.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    The Red Solstice — Steam game cover

    The Red Solstice

    Single-player alternative to Expedition: Shadow World — playable solo, no multiplayer required. Shares Strategy with Expedition: Shadow World.

    2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.

    2015Strategy9.99 USDDeck PlayableSingle-playerSimilar games →