Gurumin: A Monstrous Adventure is a fantastic Action-RPG featuring real-time combat, 3D graphics, 90+ items, mini-games, multiple endings, a rocking soundtrack, 35+ hours of playtime, tons of fully voiced characters by an all-star cast of voice actors, and more!
User reviews:
Very Positive (295 reviews) - 93% of the 295 user reviews for this game are positive.
Release Date: Mar 30, 2015

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January 13

Happy New Year! Gurumin 3D Now 28% Off For a Limited Time!

Hi everyone!

Hope you all had an amazingly memorable holiday with friends, family, and loved ones, and that your 2017 is off to a great start!

If you've been waiting to give Gurumin 3D a try on the 3DS now's the time! From now through January 25th you can purchase Gurumin 3D for for $11.99 during Nintendo's January Digital Deals! Plus, as an added bonus, My Nintendo members can save an extra 10%!

Get Gurumin 3D HERE

Get the game that Hardcore Gamer calls "one of the best 3D action platformers available on the 3DS!"
Not to mention all of the awesome reviews the game has been receiving from around the globe!

Act fast though because this sale offer ends on January 25th!

0 comments Read more

December 22, 2016

No Coal in Here, Just Winter Sale Savings

It's the most wonderful time of the year!
That's right, it's time again for the Steam Winter Sale!

From now through January 2, 2017 you can save on the critically-acclaimed action-RPG, Gurumin: A Monstrous Adventure and other high-action titles from Mastiff like Heavy Fire: Shattered Spear, Heavy Fire: Afghanistan, and Reload, which was recently used in a case study published by the Association for Psychological Science on how "Cognitive Training Can Reduce Civilian Casualties in a Simulated Shooting Environment." It's quite an interesting and insightful read -- we highly suggest checking it out when you get a few minutes to spare.

You can also pick up all three shooters in the Heavy Fire + Reload Triple Pack at an even bigger discount!

Get in on the savings!

And if you're looking for RPG action on the go, Gurumin is now available around the world in the Nintendo eShop for the 3DS! You can purchase it directly from your 3DS or from HERE!

Check out what press have been saying about Gurumin 3D:

We also have several themes available in the Theme Shop that you can use to decorate your 3DS with. Each theme features unique art, game folders, and music straight from the game!

So if you've been good all year long why not treat yourself to some gaming goodness? Go on, you've earned it! And perhaps you're looking for a last minute gift for a friend too. Well, they do make for great digital stocking stuffers - consider sharing the joy by gifting any one of these titles to a friend!

Thanks for all of your support.

Happy Holidays & Happy New Year. We'll see you in 2017!


3 comments Read more


“With an all-star voice cast and an overall wonderful gameplay experience, I heartily recommend Gurumin: A Monstrous Adventure[.]”
96% – Worth Playing

“It’s rare for a game to provide such a simple, wonderful experience like Gurumin: A Monstrous Adventure.”
9/10 – Game Podunk

“…hallmarks of Nihon Falcom games include responsive controls and tight, old-school gameplay, however they do also excel in creating rich, inviting worlds… Gurumin bears the standard hallmarks with pride.”
4.75/5 – Got Game

About This Game

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


  • 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

System Requirements

    • 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
    • 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
Customer reviews Learn More
Very Positive (295 reviews)
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