IMHO.

Single-player games like Zeroptian Invasion

Below are 11 single-player Steam games similar to Zeroptian Invasion, 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 Zeroptian Invasion page.

Ranked picks

  1. 1
    LUFTRAUSERS — Steam game cover

    LUFTRAUSERS

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    The skies are aflame and the seas will overflow with wreckage in Vlambeer’s stylish arcade shooter LUFTRAUSERS! Take to the skies in customized fighter planes to battle battleships, submarines, and rival aces for glory, honor, and high scores.

    2014ActionIndieSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Blazing Chrome — Steam game cover

    Blazing Chrome

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    In Blazing Chrome, bring your best pal and kick some metal butts to free the humankind while enjoying a classic run’n’gun, fully loaded with action and exciting fights!

    2019ActionIndie16.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Jamestown — Steam game cover

    Jamestown

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    Jamestown: Legend Of The Lost Colony is a neo-classical top-down shooter for up to 4 players, set on 17th-century British Colonial Mars. It features all the intensity, depth, and lovingly handcrafted pixels of a classic arcade shooter, with a modern twist: deeply-integrated cooperative gameplay.

    2011ActionIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Super Hydorah — Steam game cover

    Super Hydorah

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.

    2017ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    HUNTDOWN — Steam game cover

    HUNTDOWN

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.

    2021ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Kero Blaster — Steam game cover

    Kero Blaster

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    C&F Inc. teleporters are going offline all over the place, and it's up to an intrepid frog employee to fix the situation.

    2015ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Mirage Feathers — Steam game cover

    Mirage Feathers

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    「Maybe one day, I won't have to fight when I fly.」

    2024ActionIndie2.49 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    ZeroRanger — Steam game cover

    ZeroRanger

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    This is the story of a fighter who wanted to become...

    2018ActionIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    UnderDungeon — Steam game cover

    UnderDungeon

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    Embody Kimuto on the first day of his new job in this humor-packed dungeon crawler with surprising secrets to discover!

    2023ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  10. 10
    Tamiku — Steam game cover

    Tamiku

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    Help Tamiku to break all the balloons in the universe in this action-packed platform.

    2020ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  11. 11
    Hoppy Hop — Steam game cover

    Hoppy Hop

    Single-player alternative to Zeroptian Invasion — playable solo, no multiplayer required. Shares Action and Indie with Zeroptian Invasion.

    Join Hoppy in this classic action platformer as you collect candies, dodge enemies and jump. After all, you are a rabbit!

    2023ActionIndieAdventure2.99 USDSingle-playerSimilar games →