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Gurumin: A Monstrous Adventure

Gurumin: A Monstrous Adventure

Gurumin: A Monstrous Adventure is a cute and clever 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!

Released Mar 30, 2015 Developer Nihon Falcom, Mastiff Publisher Mastiff Platforms Windows Action RPGActionAdventureRPG3D Platformer
View on Steam ↗ $9.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

91.5%positive1,003 reviews
Recommended · 6 found this helpful

“Gurumin: A Monstrous Adventure is a very cute, good action adventure. + Good amount of control mechanics + Cute characters, situations, story; sometimes silly but also charming in its attempts + Largely but not fully voiced * Third-person exploration and action, and top-down…”

— a player, Steam review · 1 hrs played
Recommended · 2 found this helpful

“Gurumin completely caught me off guard — I went in skeptical after that bizarre opening cutscene, but a couple hours later I couldn't put it down. There's a genuine charm here that's hard to articulate, something Studio Ghibli-esque in how the characters move through their…”

— a player, Steam review · 9 hrs played
Recommended · 1 found this helpful

“Grabbed a cannon to hunt treasure now I’ve got a dragon on my shoulder and three cats in my pockets.”

— a player, Steam review · 8 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:16 UTC · history via SteamCharts.

7playing at last check
624-hour peak
346all-time peak
0 25 50 2016 2018 2020 2022 2024 2026 46 avg · Apr 2015

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

53achievements
10.8%median completion
0.9%rarest: Unbelievable Phantom Hunter
33.9% of players 31.8% of players 28.8% of players 28.5% of players 28.5% of players 24.3% of players 22.7% of players 22.2% of players 21.1% of players 20.6% of players 18.5% of players 17.9% of players 17.2% of players 16.3% of players 16.2% of players 15.9% of players 15.3% of players 14.4% of players 14.0% of players 13.0% of players 12.9% of players 12.3% of players 12.2% of players 11.4% of players 11.4% of players 11.3% of players 10.8% of players 10.5% of players 10.5% of players 10.3% of players 10.1% of players 9.5% of players 9.5% of players 8.9% of players 8.3% of players 8.2% of players 8.0% of players 8.0% of players 5.5% of players 4.9% of players 3.5% of players 2.8% of players 2.1% of players 2.0% of players 1.6% of players 1.6% of players 1.3% of players 1.1% of players 1.1% of players 1.1% of players 1.0% of players 0.9% of players 0.9% of players 33.9% 0% most earned rarest
Almost everyone has
33.9%Forward Slash — Get the Alpha Parts necessary for this attack
31.8%Drill Tornado — Get the Storm Parts, necessary damaging enemies around you
28.8%Cooking With Gas — Complete one level with S ranking
Rarest badges of honor
0.9%Unbelievable Phantom Hunter — Complete Crazy Mode with S or better ranking
0.9%Crazy Mode Completed — Complete Crazy Mode with all levels completed
1.0%Incredible Phantom Hunter — Complete Happy Mode with S or better ranking

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-07-26 08:39 UTC
$9.99lowest since tracking began2026-07-11
US9.99 USD
EU7.99 EUR
UK6.99 GBP
Australia13.99 AUD
Canada10.99 CAD
Japan980 JPY
Brazil19.99 BRL
China36.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$3.9 China Japan Canada EU UK Australia US≈$10.0

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $10 $20 07-11 07-14 07-17 07-20 07-23 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jun 25, 2021
The Steam Summer Sale is On! 🏖

STEAM SUMMER SALE 🌊🏖🌴Jump into some refreshingly cool savings during the Steam Summer Sale, like 70% off the adorable but challenging action-RPG, Gurumin: A Monstrous Adventure! This is the deepest di

Feb 10, 2019
Lunar New Year Sale & Your Chance to WIN a $25 Gift Card!

Happy Lunar Near Year, everyone! :lunar2019wavingpig: We hope that everyone has been having a wonderful year thus far, and that your holidays were filled with fun and cheer! We may be a little late to

Dec 21, 2017
Happy Holidays From Mastiff - Loads of Sales and Promotions!

http://cdn.edgecast.steamstatic.com/steamcommunity/public/images/clans/7923016/f8d7d82894f69fdb8c5a6099fc0aca1543169bd1.png - STEAM WINTER SALE - Grab a cup of hot coco and cozy up in front of the war

Dec 21, 2017
Happy Holidays From Mastiff - Loads of Sales and Promotions!

http://cdn.edgecast.steamstatic.com/steamcommunity/public/images/clans/7923016/f8d7d82894f69fdb8c5a6099fc0aca1543169bd1.png - STEAM WINTER SALE - Grab a cup of hot coco and cozy up in front of the war

Oct 26, 2017
Gurumin on Sale During Steam Halloween Sale!

http://cdn.akamai.steamstatic.com/steamcommunity/public/images/clans/7923016/b4ee6bbb8a468e440d6973bc688be0e1fcd7e706.png The Steam Halloween Sale is underway and Mastiff is dishing out treats for all

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresAction, Adventure, Indie, RPG
Player tagsAction RPG · Action · Adventure · RPG · 3D Platformer · Indie · Cute · Platformer · Exploration · Third Person · Anime · JRPG (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Trading Cards · Steam Cloud · Family Sharing
LanguagesEnglish * *
ControllerFull support
Achievements53
Estimated owners100,000 – 200,000 (SteamSpy)
Official sitehttps://mastiff-games.com/gurumin-3d/
Minimum system requirements (PC)

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