Monster Mop Up

Simulation· Immersive Sim· Base Building· Creature Collector

Released Aug 2025

Rescue the scared little Ragamuffins from the human world and clean up all evidence of their existence. Mop stains, burn poop, and get rewarded with high tech gear and upgrades. Save enough, and you can even expand your home, decorate it, and live happily ever after with your fluffy little friends!

56% positive · 232 reviews

Done

All announced content has been released

Medium confidence

Done

All announced content has been released

Medium confidence

Where to buy

Steam Updated 12 Oct 2026 $14.99 Green Man Gaming Steam key Updated 12 Oct 2026 $14.99 IndieGala Steam key Updated 12 Oct 2026 $14.99

Prices in USD, as listed by each store.

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Evaluation

Monster Mop Up launched on August 14, 2025 as a complete, finished product with a full campaign, multiple levels, upgrade systems, home decoration, and multiplayer support. The developer (Terahard Ltd) had been transparent throughout development, running demos via Steam Next Fest in February 2025 and a multiplayer demo in April 2025 before the full release. Following launch, the developer issued a series of post-launch patches: a quality-of-life and bug fix update on August 21, 2025; a bug fix patch on September 16, 2025; and a feature update on September 24, 2025 that added a new in-game watch gadget to help players locate hidden items. The September 24 post mentioned that a further accuracy improvement for the watch was "already underway" for the next update, but this appears to be a minor refinement tied to the same feature patch cycle rather than a commitment to named future content. There are no unreleased DLC listings, no announced expansions or season passes, and no developer roadmap pointing to future major content. The game has no post-launch update cadence substantial enough to indicate ongoing planned content beyond the initial polish period. The last developer communication was on September 24, 2025, and the game has been silent since — now more than eight months ago as of June 2026. The brief burst of post-launch patches is consistent with a studio wrapping up launch-period polish rather than a sustained content development commitment. No DLC was ever listed. No developer statement promises future expansions. The game launched as a self-contained experience and the developer's post-launch activity reflects standard bug-fixing and minor feature additions rather than a content roadmap.

Evidence

Monster Mop Up officially launched on August 14, 2025 as a full release with complete campaign, multiplayer, upgrades, and home decoration systems.

news post · Aug 14, 2025 source content shipped

high

Feature patch adding a new in-game watch gadget for detecting stains and hidden items. Mentions a follow-up accuracy improvement in the next update. This is the last developer communication on record.

news post · Sep 24, 2025 source development ongoing

medium

Media

Details

Developer

Terahard Ltd

Publisher

Yogscast Games

Achievements

Platform

Windows

Controller

full support

Steam Deck

Unsupported

Players

Single-player · Multiplayer · Co-op

Immersive Sim Simulation Base Building Creature Collector Physics Relaxing First-Person Colorful Cozy Cute Sandbox 3D Family Friendly Casual Wholesome

About this game

Welcome to the Ministry of Monster Concealment!

As our newly appointed Custodian, it's your time to shine (literally) and polish every corner while saving your fluffy Ragamuffin friends from the unfamiliar human world. The Ministry appreciates your dedication and your efforts will be rewarded accordingly. You will have opportunities to purchase upgrades, expand your living space, and add charming decorations to your home!

FEATURES

Ri(n)se and shine!

Explore, clean and dispose - leave no trace behind! Restore each of them to their former glory: from tiny homes to banquet halls and medieval hotels!

Search and Rescue!

These scared, fluffy goofballs are lost in the human world and need your help to return home. Hidden in the most unexpected places, your mission is to find and rescue every last one of them! Provided you can catch them, of course.

Upgrade Your Gear!

Even the best tools can do with upgrades! Your home is fitted with a shop stocked with upgrades, or discover hidden pickups throughout your adventures to become the Custodian of the Month (or Year, if you’re good enough).

Decorate and Expand Your Home!

Alongside being a Custodian, you get to be an Architect and Designer! Your home is a sanctuary for you and your little Ragamuffin buddies. Expand your living space and choose from over 150+ furniture and decorative item choices! Create a cozy haven that reflects your style (or lack thereof, as long as you’re happy with it).

Poop Scoop!

Encounter a variety of unique messes left behind by your fluffy friends, each with its own unique abilities! Handle the Ragamuffins wisely - if mishandled, you’ll have even more poop on your hands. Burn or flush it all away and keep the place tidy! (can add: We hope you aren’t too squeamish)

Complete the Monsteropedia!

Collect all the Ragamuffins and learn about each one in your very own Monsteropedia! Learn their names, ages, and interests, and enjoy the delightful company of your new fluffy flatmates.

Monster Mop Up is inspired by other amazing games: PowerWash Simulator, House Flipper, Viscera Cleanup Detail as well as other amazing simulator games Check them out too if you have not already!

Last evaluated Jun 21, 2026