Monster Mop Up

First-person cleaning simulator about catching monsters and clearing their messes

Terahard Ltd · Published by Yogscast Games · Released Aug 14, 2025

Reviews: Mixed; 55% of 202
Recent reviews: Mostly Negative; 25% of 12 in 30 days
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 1 month ago; Sep 4, 2026
Minimum PC: HD 7970; Full requirements

What is Monster Mop Up?

You work for the Ministry of Monster Concealment in this first-person simulation, tracking down escaped Ragamuffins in human buildings. Across levels set in homes, banquet halls, and medieval hotels, you search for creatures, catch them, and dispose of their waste. Between jobs, you upgrade tools and expand and decorate a home for the rescued monsters.

For you if...

+you prefer relaxed tasks, alone or with online friends
+you enjoy collecting creatures and furnishing your own home

Not for you if...

−you would rather avoid cleaning up piles of poop

What players say

55% of 202 reviews are positive · 25% of 12 in the last 30 days

Players praise the relaxed cleanup and creature designs. Complaints focus on persistent bugs, including unreliable achievements, co-op problems, and crashes, as well as awkward object handling.

Screenshots and trailer

Monster Mop Up system requirements

Minimum: HD 7970.

As published by the developer.

Can my PC run Monster Mop Up?

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Minimum

OS: Windows 7/8/10/11 (latest service pack)
Processor: AMD FX-8350 or Intel i5-3570
Graphics: AMD Radeon™ HD 7970 or NVIDIA GeForce GTX 680 2 GB
DirectX: Version 11

Does Monster Mop Up have co-op or multiplayer?

Yes: co-op online. It also has a single-player mode.

Does Monster Mop Up run on Steam Deck?

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

Default controller config not fully functional
Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 39
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English. Text only: French, German, Japanese, Korean, Polish, Russian, Simplified Chinese, Spanish - Spain, Greek, Portuguese - Brazil, Traditional Chinese.

Does Monster Mop Up 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