IMHO.

Single-player games like Loonyland: Halloween Hill

Below are 12 single-player Steam games similar to Loonyland: Halloween Hill, 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 Loonyland: Halloween Hill page.

Ranked picks

  1. 1
    Kid Mystic: Enchanted Edition — Steam game cover

    Kid Mystic: Enchanted Edition

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Adventure with Loonyland: Halloween Hill.

    Kid Mystic never paid attention in magic school except when they were discussing fireballs, so now he's the only one who can save Tulipton in this action-packed RPG which was hailed as The Best Fantasy Role Playing Game For The PC by (checks notes...) its own box.

    2025ActionAdventureRPG14.99 USDSingle-playerSimilar games →
  2. 2
    Oceanhorn: Monster of Uncharted Seas — Steam game cover

    Oceanhorn: Monster of Uncharted Seas

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Oceanhorn: Monster of Uncharted Seas combines captivating storytelling, breathtaking 3D visuals and exciting gameplay into one epic action-adventure experience. In the game you explore the islands of Uncharted Seas, a world filled with many dangers, puzzles and secrets.

    2015ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    9th Dawn Remake — Steam game cover

    9th Dawn Remake

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Adventure with Loonyland: Halloween Hill.

    Rediscover the magic of the 9th Dawn series with this complete re-imagining of the original game. Venture into a massive 2.5D open world. Explore 45 new dungeons in single-player or online/local co-op, craft weapons, raise pets, play a deck-building card game, and take down the Castle of Maltyr!

    2024ActionAdventureRPG15.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Night Swarm — Steam game cover

    Night Swarm

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Adventure with Loonyland: Halloween Hill.

    Claim your throne as Vampire Lord in this survivors-like. Each run is another step on your journey with new followers, quests and skills to unlock. The night is yours to conquer.

    2025ActionAdventureRPG9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Incredible Adventures of Van Helsing: Final Cut — Steam game cover

    The Incredible Adventures of Van Helsing: Final Cut

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Embark on an adventure in a gothic-noir world, where mad science threatens the peace between monsters and mortals. The Incredible Adventures of Van Helsing: Final Cut is definitive edition of the trilogy with six playable classes and a new endgame mode with a huge variety of open missions!

    2015ActionIndieAdventure44.99 USDSingle-playerSimilar games →
  6. 6
    Alaloth: Champions of The Four Kingdoms — Steam game cover

    Alaloth: Champions of The Four Kingdoms

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    A hardcore high fantasy isometric action RPG set in a huge sandbox world ruled by magic and monsters. Master deep skill-based combat, forge powerful builds, explore unforgiving lands and dungeons, face brutal boss fights, uncover ancient secrets, and save Plamen from its inevitable doom!

    2024ActionStrategyIndie34.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    The Incredible Adventures of Van Helsing III — Steam game cover

    The Incredible Adventures of Van Helsing III

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Van Helsing, monster hunter will face the most difficult trials of his life as he is trying to destroy his nemesis. The civil war is over in Borgovia, but the future still looks grim. The city of weird science is in ruins and a strange cult prophesises the coming of the end times.

    2015ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  8. 8
    Ocean's Heart — Steam game cover

    Ocean's Heart

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Ocean’s Heart is an epic top-down action RPG in which you explore a beautiful archipelago as a young woman named Tilia. Take on contracts to fight monsters, descend deep into ancient dungeons, defeat menacing foes, and unravel the mystery of Ocean’s Heart. All done in beautiful, bright pixel art.

    2021ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Lunatic — Steam game cover

    Lunatic

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Neighbors reported a scream from an apartment next door. They claim that people who enter the apartment do not leave. You're the only police officer available at the moment and it's your duty to check it out.

    2022ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  10. 10
    Dr. Lunatic Supreme With Steam — Steam game cover

    Dr. Lunatic Supreme With Steam

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Smash monsters, collect brains, and so much more as you attempt to stop Dr. Lunatic's evil scheme. 1,200 levels and hundreds of hidden bonuses in Bouapha's greatest adventure! Now enhanced for Steam!

    2023ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Robot Wants It All — Steam game cover

    Robot Wants It All

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Robot wants stuff! Go get it for him in this compilation of the metroidvania Robot Wants series, including an all-new Robot adventure!

    2019ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Kid Hallow — Steam game cover

    Kid Hallow

    Single-player alternative to Loonyland: Halloween Hill — playable solo, no multiplayer required. Shares Action and Indie with Loonyland: Halloween Hill.

    Wear different costumes to get past different challenges in this precision puzzle platformer. Then build your own challenges in the level editor!

    2021ActionIndie9.99 USDDeck VerifiedSingle-playerSimilar games →