Monster Girls and the Mysterious Adventure

Turn-based dungeon roguelike where befriended monster girls fight beside you

NEKOTOKAGE GAMES · Released Mar 19, 2020

Reviews: Very Positive; 84% of 155
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 6 years ago; Aug 1, 2020
Minimum PC: UHD 620; 8 GB RAM · 2 GB disk; Full requirements

What is Monster Girls and the Mysterious Adventure?

This turn-based dungeon RPG follows an adventurer who must defeat a tower sorcerer to escape a mysterious place. You explore layouts that change each attempt, with enemies acting whenever you do, and befriend monster girls who fight alongside you.

For you if...

+you enjoy upgrading equipment and adding new effects
+you want optional challenge dungeons after the main story

Not for you if...

−you prefer fighting alone without relying on companions
−you dislike tight inventory limits and losing items on death

What players say

84% of 155 reviews are positive

Players praise the monster recruitment system and the character art. The most common complaint is the rough English translation.

Screenshots and trailer

Monster Girls and the Mysterious Adventure screenshot 1

Monster Girls and the Mysterious Adventure system requirements

Minimum: UHD 620, 8 GB RAM, 2 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10
Processor: 1.80 GHz
Graphics: UHD Graphics 620
Memory: 8 GB RAM
Storage: 2 GB available space

Does Monster Girls and the Mysterious Adventure have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Monster Girls and the Mysterious Adventure run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Text only: Japanese, English, Simplified Chinese, Traditional Chinese.

Does Monster Girls and the Mysterious Adventure use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam