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About
Gurumin: A Monstrous Adventure is a fantastic Action-RPG from leading Japanese developer Falcom (Developers of “Ys” and “Zwei” among other classics) featuring real-time combat, stunning 3D graphics, tons of fully voiced characters and mini-games , 90+ items, multiple endings, a rocking soundtrack, 35+ hours of playtime, and more. Originally released outside Japan on Sony’s PSP®, Mastiff is proud to bring a fully localized and updated version of Gurumin: A Monstrous Adventure to Windows and to offer it through Steam with a full set of Steam specific features including Achievements, Trading Cards, Big Picture and Cloud Save.
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Description
Gurumin: A Monstrous Adventure is a fantastic Action-RPG from leading Japanese developer Falcom (Developers of “Ys” and “Zwei” among other classics) featuring real-time combat, stunning 3D graphics, tons of fully voiced characters and mini-games , 90+ items, multiple endings, a rocking soundtrack, 35+ hours of playtime, and more.
Originally released outside Japan on Sony’s PSP®, Mastiff is proud to bring a fully localized and updated version of Gurumin: A Monstrous Adventure to Windows and to offer it through Steam with a full set of Steam specific features including Achievements, Trading Cards, Big Picture and Cloud Save.
The Story
Gurumin stars Parin, a strong-willed girl sent to live with her grandfather in a small mining town. Parin soon discovers an invisible monster village hidden behind her home. She is quickly drawn into a fight between the village’s friendly monster residents and the Phantoms, evil monsters that want to destroy them. Learning of a weapon hidden underneath the village that she alone is fit to wield, Parin embarks on a quest to stop the Phantoms and make the world right.
Play From Your Couch
Features
An All Star Cast
Originally released outside Japan on Sony’s PSP®, Mastiff is proud to bring a fully localized and updated version of Gurumin: A Monstrous Adventure to Windows and to offer it through Steam with a full set of Steam specific features including Achievements, Trading Cards, Big Picture and Cloud Save.
The Story
Gurumin stars Parin, a strong-willed girl sent to live with her grandfather in a small mining town. Parin soon discovers an invisible monster village hidden behind her home. She is quickly drawn into a fight between the village’s friendly monster residents and the Phantoms, evil monsters that want to destroy them. Learning of a weapon hidden underneath the village that she alone is fit to wield, Parin embarks on a quest to stop the Phantoms and make the world right.
Play From Your Couch
Features
- 30 stages of non-linear game play
- 23 non-player characters, 48 unique enemies, and more than 90 items to collect
- Brilliantly diabolical dungeons, traps, puzzles and boss encounters
- Mini-games galore!
- 5 difficulty levels
- Hidden characters, modes, and other secrets
- Supports Windows XP, 7 and 8 at high resolution (up to 1920x1080) and with modern Anti-aliasing (up to 8X MSAA)
- Full Steam support including: Achievements, Steam Cloud, Big Picture mode, and...
- Beautiful Steam Trading Cards
An All Star Cast
- Amber Hood as Parin
- Tara Strong – Cream/Mosby
- Justin Shenkarow as Puku/Prince
- Dee (Bradley) Baker as Rocko/Digby
- Robin Atkin Downes – Pierre/Doug
- Michael Gough – Hyperbolic/Giga
- Steve Blum – Motoro/Bob
- Quinton Flynn – Roger/Poco
Recommended system requirements
minimum*
- OS *:
- Windows XP
- Processor:
- Pentium III 800 MHz
- Memory:
- 1 GB RAM
- Graphics:
- 64 MB VRAM, 3D accelerator compatible w/ DirectX 9.0c
- DirectX:
- Version 9.0c
- Storage:
- 2 GB available space
- Sound Card:
- Compatible with DirectX 9.0c
recommended*
- OS *:
- Windows XP, Vista, 7
- Processor:
- Pentium III 1.0 GHz or higher
- Memory:
- 2 GB RAM
- Graphics:
- 64 MB VRAM, 3D accelerator compatible w/ DirectX 9.0c
- DirectX:
- Version 9.0c
- Storage:
- 2 GB available space
- Sound Card:
- Compatible with DirectX 9.0c
User reviews
Av
Recommended | 28 Dec 2025
9.8h played
I've found myself greatly enjoying this game. Maybe it's because of how tired I am of modern design sensibilities and writing. So many games these days play far too similarly to one another, so many games have writing
Helpful: 22
Moby The Duck
Recommended | 11 Jan 2026
16.4h played
Charming, to say the least. Janky, but very fun. Combat is mindless and gets rather repetitive since you mostly spam the big wave move and otherwise use the air dash or charge drill. A bit repetitive, but combat is fun.
Helpful: 9
[UNSC] One Daring Dame
Recommended | 29 Nov 2025
13.6h played
Cute and entertaining beat-em-up/platformer hybrid with some minigames interspersed throughout. Playing the game on Easy or Normal is a fun and relaxing experience, the story and cutscenes have a dreamlike surreal
Helpful: 5
xxadonisxx
Recommended | 27 Oct 2025
11.5h played
Gurumin: A Monstrous Adventure, developed by Nihon Falcom and published by Mastiff, is a vibrant and charming action RPG that radiates the joyful, eccentric spirit of early-2000s Japanese game design. Originally
Helpful: 3
Kamgusta
Not recommended | 12 Nov 2025
13.1h played
KAMGUSTA's MINI REVIEW It's a 3D action platform game with Playstation 1 graphics made in 2004 (20+ years ago!). They released it also on PSP. Baby characters, baby enemies, poor graphics, mediocre controls, mediocre
Helpful: 2
chill out
Recommended | 05 Dec 2025
11.0h played
It's cute and fun, lots of variety, and lots to do. Stages are often cut up into rooms with each room being it's own little gimmick of fighting, hitting switches, moving boxes, or whatever else to open the way forward.
Helpful: 2