IMHO.

Single-player games like Space Menace

Below are 10 single-player Steam games similar to Space Menace, 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 Menace page.

Ranked picks

  1. 1
    Space Menace 2 — Steam game cover

    Space Menace 2

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Action and Strategy with Space Menace.

    Start small, expand your fleet, and rise to power as you navigate a galaxy full of opportunity and danger. This simple, non-traditional sci-fi RTS and space combat game offers strategic gameplay, evolving challenges, and satisfying ship customization through a variety of modules and upgrades.

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  2. 2
    Door Kickers 2: Task Force North — Steam game cover

    Door Kickers 2: Task Force North

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Action and Strategy with Space Menace.

    Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".

    2025ActionStrategyIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Welcome Back, Commander — Steam game cover

    Welcome Back, Commander

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Strategy and Simulation with Space Menace.

    Commander, your strike team is to dive deep into the contaminated city of Sun Stone and get some answers before the mysterious deadly plague spreads . Good luck Commander!

    2025StrategySimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Fire Commander — Steam game cover

    Fire Commander

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Action and Strategy with Space Menace.

    See what it means to face the fire. Command a firefighting unit in an exciting tactical RTS. Save lives, manage your water supplies and care for your team in 30+ missions. Be a real hero!

    2022ActionStrategyIndie14.99 USDSingle-playerSimilar games →
  5. 5
    Nexus - The Jupiter Incident — Steam game cover

    Nexus - The Jupiter Incident

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Strategy and Indie with Space Menace.

    Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."

    2007StrategyIndieSimulation9.99 USDSingle-playerSimilar games →
  6. 6
    Door Kickers — Steam game cover

    Door Kickers

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Action and Strategy with Space Menace.

    Door Kickers is an innovative realtime strategy game that puts you in charge of a SWAT team and lets you command them during a tactical intervention.

    2014ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Diplomacy is Not an Option — Steam game cover

    Diplomacy is Not an Option

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Action and Strategy with Space Menace.

    Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?

    2024ActionStrategyIndie29.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Polaris Sector — Steam game cover

    Polaris Sector

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Strategy and Simulation with Space Menace.

    Can anyone build an empire in a place like this? Other factions are naturally suspicious of newcomers and may wage war at the first sign of unidentified craft. Here, a natural death is an uncommon luxury.

    2016StrategySimulation39.99 USDSingle-playerSimilar games →
  9. 9
    Battlevoid: Harbinger — Steam game cover

    Battlevoid: Harbinger

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Action and Strategy with Space Menace.

    Battlevoid: Harbinger is a hard sci-fi space exploration game blending roguelike, turn-based, star map strategy, and real-time space battles. You are a young commander venturing out into enemy territories, to unknown galaxies, never knowing what you will face as you jump out from hyperspace.

    2016ActionStrategyIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    AstroDig — Steam game cover

    AstroDig

    Single-player alternative to Space Menace — playable solo, no multiplayer required. Shares Action and Strategy with Space Menace.

    Mine, defend, and profit across planets. Expand your operation, survive enemy waves, and discover dangerous hidden worlds in this minimalist sci-fi strategy shooter.

    2026ActionStrategyIndieSingle-playerSimilar games →