IMHO.

Single-player games like CTHULOOT

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

Ranked picks

  1. 1
    Spook-A-Boo — Steam game cover

    Spook-A-Boo

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

    Spook-A-Boo is a ghost hunting couch co-op game for 1-4 players. Play with friends and family to seek out and capture ghosts hiding in plain sight. Detect, scan, hook and trap all the troublemaking ghosts and have a spook-tacular time.

    ActionIndieCasualSingle-playerSimilar games →
  2. 2
    PHOGS! — Steam game cover

    PHOGS!

    Single-player alternative to CTHULOOT — playable solo, no multiplayer required. Shares Indie and Adventure with CTHULOOT.

    In PHOGS! you play as a duo of dogs on a captivating, puzzle-filled adventure. Linked by a stretchy belly, you’ll need to bark, bite and bounce your way through obstacles set across the themed worlds of Food, Sleep and Play, in co-op or single-player.

    2020IndieAdventureCasual24.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Burned Out! — Steam game cover

    Burned Out!

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

    Burned Out! is a chaotic office co-op game for 1-4 players where pointless computer tasks and paperwork spiral into full-blown workplace mayhem. Type, print, sign, stamp, staple, and deliver every order on time. Coordinate and keep everything moving through workplaces designed to break you.

    2026ActionIndieSimulationSingle-playerSimilar games →
  4. 4
    Ready, Steady, Ship! — Steam game cover

    Ready, Steady, Ship!

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

    Grab a buddy for this chaotic couch co-op delight. Use various tools and equipment to assemble the most efficient conveyor belts to keep the goods flowing! Best played in 2-player couch coop.

    2024ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    RoboSkate — Steam game cover

    RoboSkate

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

    Roll the board. Whir the motors. Scrape the metal. RoboSkate is a short and challenging physics based adventure where you master the controls of a robotic arm stuck to a skateboard and overcome the trials of a short yet treacherous journey.

    2020ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  6. 6
    Bish Bash Bots — Steam game cover

    Bish Bash Bots

    Single-player alternative to CTHULOOT — playable solo, no multiplayer required. Shares Action and Casual with CTHULOOT.

    Bish Bash Bots is a unique mix of casual tower defense strategy and all-out brawling action. Team up in couch co-op / online play or go it alone and fight to save the world by building upgradable turrets, unlocking gadgets and bashing bots with giant hammers.

    2023ActionStrategyCasual19.99 USDSingle-playerSimilar games →
  7. 7
    Struggling — Steam game cover

    Struggling

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

    Struggling is a physics-based co-op platformer with a twisted spin on teamwork. Control the arms of a squishy abomination and lead it through a deranged world.

    2020ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Hacktag — Steam game cover

    Hacktag

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

    Hacktag is a fast-paced two-player co-op stealth-game with unique asymmetric gameplay. Play as the stealth Agent in the field or as the virtually-infiltrated Hacker and work together to carry out espionage missions where nothing goes as expected!

    2018ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Steredenn: Binary Stars — Steam game cover

    Steredenn: Binary Stars

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

    Steredenn is a frenetic and chaotic space shooter, carved in big beautiful pixels, with insane boss battles. Embark in your ship and engage the fight against dreadful space pirates in a never-ending combat for your survival.

    2015ActionIndie12.99 USDSingle-playerSimilar games →
  10. 10
    Flipon — Steam game cover

    Flipon

    Single-player alternative to CTHULOOT — playable solo, no multiplayer required. Shares Indie and Casual with CTHULOOT.

    Join Kat and her crew in an epic quest in Flipon, a juicy, fun and fast-paced arcade puzzle game!

    2020IndieCasual3.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Cosmo Cargo — Steam game cover

    Cosmo Cargo

    Single-player alternative to CTHULOOT — playable solo, no multiplayer required.

    Cosmo Cargo is an inventory autobattler roguelike PvE game in which you fight to maintain chaos in the galaxy. Collect and combine items in your ship to gain powerful effects and defeat the Administrators.

    StrategySingle-playerSimilar games →