IMHO.

Single-player games like Cosmo Player Z

Below are 8 single-player Steam games similar to Cosmo Player Z, 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 Cosmo Player Z page.

Ranked picks

  1. 1
    ComicBACHICoooN!! — Steam game cover

    ComicBACHICoooN!!

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Indie with Cosmo Player Z.

    "Comic Bachicon!!" is an action game in which a player who has become a popular manga artist completes a manuscript by hitting characters from the manga world into frames! ! Let's hit the characters everywhere, including the pieces and the ground! !

    2024ActionIndieCasual3.11 USDSingle-playerSimilar games →
  2. 2
    It's On The Mouse — Steam game cover

    It's On The Mouse

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Strategy with Cosmo Player Z.

    Become the best tiny maid on the block! Help Holly and her friends in this little café manager where jumping and running are key to make up for your lack of size! Scuttle around the tables, serve your customers and be careful as dangerous obstacles and bosses will show up to try to stop you!

    2025ActionStrategyIndie11.99 USDSingle-playerSimilar games →
  3. 3
    Parry Nightmare — Steam game cover

    Parry Nightmare

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Indie with Cosmo Player Z.

    Team up with your "other self", Honno-chan, as you parry, pummel and pulse your way out of your darkest nightmare in this one-of-a-kind "parry heaven" action game!

    2024ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  4. 4
    Lost Empire 2977 — Steam game cover

    Lost Empire 2977

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Strategy with Cosmo Player Z.

    You begin your journey in an abandoned space station, with no recollection of who you are and with an unknown force that hunts you. To learn the secrets of your past, you must journey through a vast universe, visit strange worlds and space stations, and fight to regain your former glory!

    2023ActionStrategyIndie14.99 USDSingle-playerSimilar games →
  5. 5
    Super Marble Brothers — Steam game cover

    Super Marble Brothers

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Indie with Cosmo Player Z.

    Precision 3D platform game with cooperative or single player challenges above the clouds.

    2020ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  6. 6
    Hydrophobia: Prophecy — Steam game cover

    Hydrophobia: Prophecy

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Strategy with Cosmo Player Z.

    The ultimate edition of the jaw-dropping action-adventure game set onboard a floating city.

    2011ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  7. 7
    Physical Layer — Steam game cover

    Physical Layer

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Indie with Cosmo Player Z.

    Physical Layer is a stylish, top-down shooter with cute, gun-toting characters. Utilize three powerful abilities to overcome a total of 240 stages, filled with a variety of enemies and challenges.

    2023ActionIndie8.99 USDSingle-playerSimilar games →
  8. 8
    BOOMEROAD — Steam game cover

    BOOMEROAD

    Single-player alternative to Cosmo Player Z — playable solo, no multiplayer required. Shares Action and Indie with Cosmo Player Z.

    BOOMEROAD is an exhilarating action-adventure game in which players slide along boomerang rails you will create. The game is set in an ancient ruin floating in the sky, and the player slides through the vast skies at their own will while searching for the Artifacts.

    2024ActionIndieAdventureFreeDeck PlayableSingle-playerSimilar games →