IMHO.

Single-player games like Gurumin: A Monstrous Adventure

Below are 18 single-player Steam games similar to Gurumin: A Monstrous Adventure, 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 Gurumin: A Monstrous Adventure page.

Ranked picks

  1. 1
    Ryne-Arca — Steam game cover

    Ryne-Arca

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Indie with Gurumin: A Monstrous Adventure.

    An atmospheric action RPG where you explore a vast world shaped by time and its shifting moods.

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    Twilight Requiem — Steam game cover

    Twilight Requiem

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Indie with Gurumin: A Monstrous Adventure.

    Embark on a Dark Fantasy odyssey in Twilight Requiem, an action RPG blending heart-pounding combat and mystical exploration. Wield cosmic powers, master fluid combos inspired by Kingdom Hearts 2 Final Mix, and traverse haunting realms through enigmatic portals.

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Kotama and Academy Citadel — Steam game cover

    Kotama and Academy Citadel

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Indie with Gurumin: A Monstrous Adventure.

    In the Academy Citadel, strength reigns supreme: only the most powerful survive and thrive. Fight your way through the high-tech Academy in your quest to get the highest of honors for a student, and uncover secrets that can save it in its direst crisis in this 2.5D side-scrolling Metroidvania.

    2026ActionIndieAdventure16.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Atelier Yumia: The Alchemist of Memories & the Envisioned Land — Steam game cover

    Atelier Yumia: The Alchemist of Memories & the Envisioned Land

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Adventure with Gurumin: A Monstrous Adventure.

    "Atelier Yumia" is a story about “memory”. Explore the field to gather materials and synthesis items. The items you create can be key to advancing the story and can also be used in battles and exploration. Additionally, you can create your own base with “Building" in the field.

    2025ActionAdventureRPG41.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Glimmer in Mirror — Steam game cover

    Glimmer in Mirror

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Indie with Gurumin: A Monstrous Adventure.

    Glimmer in Mirror is a 2D story-rich action shooting game. Play as Shiro in a collapsed world, to meet various unique NPCs and monsters, and gradually uncover the truth of the world through a gripping story.

    2023ActionIndieAdventure11.89 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Frontier Hunter: Erza’s Wheel of Fortune — Steam game cover

    Frontier Hunter: Erza’s Wheel of Fortune

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Indie with Gurumin: A Monstrous Adventure.

    This is an anime-style Metroidvania game with an RPG progression system, numerous weapons for switching, and an emphasis on equipment building. It offers three switchable characters, smooth gameplay, impactful combat feedback, and anime-style story scenes.

    2024ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Viola: The Heroine's Melody — Steam game cover

    Viola: The Heroine's Melody

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Indie with Gurumin: A Monstrous Adventure.

    Viola: The Heroine's Melody is the musical Platformer/RPG! After failing at violin practice for the hundredth time, Viola becomes trapped inside her instrument's fantastical world. Join her adventure to find her way back home, aided by the diverse ensemble of friends she meets along the way.

    2021ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  8. 8
    Ary and the Secret of Seasons — Steam game cover

    Ary and the Secret of Seasons

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Indie with Gurumin: A Monstrous Adventure.

    Take control of the seasons and use them to solve puzzles, defeat enemies, and discover the beautiful world of Valdi in this award-winning indie adventure.

    2020ActionIndieAdventure11.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Ys: The Oath in Felghana — Steam game cover

    Ys: The Oath in Felghana

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Adventure with Gurumin: A Monstrous Adventure.

    An Action RPG driven by fast-paced combat and paired with an intricate puzzle-filled world.

    2012ActionAdventureRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Sonic Adventure 2 — Steam game cover

    Sonic Adventure 2

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action with Gurumin: A Monstrous Adventure.

    Experience two unique adventures featuring both long-time heroes and new and returning villains as they battle for the fate of the world!

    2012Action4.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    The Legend of Heroes: Trails in the Sky — Steam game cover

    The Legend of Heroes: Trails in the Sky

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares RPG with Gurumin: A Monstrous Adventure.

    Hailed as one of the largest, longest and most meticulously detailed turn-based JRPG series of all time, this first chapter in the ongoing Trails saga sets the stage for what's quickly become Ys developer Nihon Falcom's most popular and best-selling franchise in their entire 30+ year history.

    2014RPG19.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Ys VIII: Lacrimosa of DANA — Steam game cover

    Ys VIII: Lacrimosa of DANA

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and RPG with Gurumin: A Monstrous Adventure.

    Ys returns with a brand new adventure for the first time in 8 years! Adol awakens shipwrecked and stranded on a cursed island. There, he and the other shipwrecked passengers he rescues form a village to challenge fearsome beasts and mysterious ruins on the isolated island.

    2018ActionRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  13. 13
    The Legend of Heroes: Trails of Cold Steel — Steam game cover

    The Legend of Heroes: Trails of Cold Steel

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares RPG with Gurumin: A Monstrous Adventure.

    At Thors Military Academy, Erebonia’s best learn everything from the art of war to liberal arts. First year Rean Schwarzer learns he’s been selected to join the controversial Class VII, and they’ll need to deal with more than just class warfare--they’ll need to safeguard their country from chaos.

    2017RPG39.99 USDDeck VerifiedSingle-playerSimilar games →
  14. 14
    Sora no Kiseki the 1st — Steam game cover

    Sora no Kiseki the 1st

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares RPG with Gurumin: A Monstrous Adventure.

    Celebrating the 20th anniversary of the Kiseki series, a story-driven RPG that began in 2004, the landmark first installment, The Legend of Heroes: Sora no Kiseki FC (First Chapter), is receiving a full remake!

    2025RPG44.99 USDDeck VerifiedSingle-playerSimilar games →
  15. 15
    The Legend of Heroes: Trails in the Sky SC — Steam game cover

    The Legend of Heroes: Trails in the Sky SC

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares RPG with Gurumin: A Monstrous Adventure.

    Picking up shortly after The Legend of Heroes: Trails in the Sky, Estelle travels across Liberl in search of Joshua. The journey involves more than seeking loved ones, however, as the Bracer Guild also tasks her with unraveling the mysteries behind the newly unveiled Society of Ouroboros.

    2015RPG29.99 USDSingle-playerSimilar games →
  16. 16
    Trails in the Sky 1st Chapter — Steam game cover

    Trails in the Sky 1st Chapter

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Adventure with Gurumin: A Monstrous Adventure.

    Trails in the Sky 1st Chapter reimagines the first chapter of a beloved series, infusing it with enhanced visuals and refined gameplay. Join Estelle and Joshua, partners bound by fate, as they unravel dark conspiracies threatening the peace of the Liberl Kingdom.

    2025ActionAdventureRPG38.99 USDDeck VerifiedSingle-playerSimilar games →
  17. 17
    Ys Origin — Steam game cover

    Ys Origin

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares Action and Adventure with Gurumin: A Monstrous Adventure.

    The perfect mix of action, exploration and story with screen-filling bosses, unique platforming elements, and innovative puzzles.

    2012ActionAdventureRPG19.99 USDSingle-playerSimilar games →
  18. 18
    The Legend of Heroes: Trails of Cold Steel III — Steam game cover

    The Legend of Heroes: Trails of Cold Steel III

    Single-player alternative to Gurumin: A Monstrous Adventure — playable solo, no multiplayer required. Shares RPG with Gurumin: A Monstrous Adventure.

    Experience an epic story developed across three titles, and crafted for new and old fans alike. Also includes an interactive introduction to catch up new players to the ongoing story so anyone can dive right in to the world of Trails of Cold Steel.

    2020RPG23.99 USDSingle-playerSimilar games →