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

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.
- 2

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.
- 3

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.
- 4

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.
- 5

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.
- 6

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.
- 7

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.
- 8

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.
- 9

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.
- 10

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!
- 11

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.
- 12

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.
- 13

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.
- 14

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!
- 15

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.
- 16

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.
- 17

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.
- 18

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.