Single-player games like Monster Mop Up
Below are 16 single-player Steam games similar to Monster Mop Up, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Monster Mop Up page.
Ranked picks
- 1

OddFauna : Secret of the Terrabeast
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Grow the TerraBeast you live on from a tiny patch of land into a whimsical world! In this fully hand-sculpted, playful systemic sandbox, you'll explore vibrant biomes, farm, craft, build, and befriend the wild OddFauna to create a thriving ecosystem.
- 2

Frutiger Home
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Simulation with Monster Mop Up.
Decorate your dream frutiger home in this cozy co-op frutiger aero house decorating game. Pick a home layout, add from a wide range of frutiger-themed decor and hang out with your friends!
- 3

Tiny Dwellings
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Tiny Dwellings is a cozy pixel-art builder with over 1,000 hand drawn items to place, decorate, and unwind with. Create charming little homes and tiny dioramas at your own pace, surrounded by calm lo-fi vibes, soft lighting, and cozy ambience.
- 4

Time To Morp: First Contact
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Time to Morp: First Contact is an introductory colony sim game in which you take care of playful creatures - Morps. Use their help to gather resources, build and decorate a base, set up pipe networks, automate everything and clear corruption that is endangering local creatures.
- 5

Jurassic Gym
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Run your own dinosaur gym on the bottom of your screen while you stay productive! Hatch new buddies, train them up, send them to competitions, and spend your winnings upgrading and customizing your Jurassic Gym.
- 6

Solarpunk™
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Solarpunk is a survival game in a technically advanced world of floating islands. Alone or together with your friends, you can construct buildings, grow food, craft gadgets and hop on your airship to explore distant islands in the sky.
- 7

Cozy Cleaner
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Simulation and Casual with Monster Mop Up.
Cozy Cleaner is a relaxing cleaning game where you tidy and organize messy rooms. Pick up clutter, wipe away dirt, and bring order to every space for a calming, refreshing experience with cozy soundtracks.
- 8

gogh: Focus with Your Avatar
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
gogh: Focus with Your Avatar is a multiplayer online focus game for work. Customize your ideal workspace and cute avatars, gather in each other’s rooms, and focus together. Timers and To-Dos, lo-fi music, and beautiful ambience make desk work more fun!
- 9

PowerWash Simulator
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Release the Pressure with PowerWash Simulator! Wash away your worries with the soothing sounds of high-pressure water. Fire up your power washer and blast away every speck of dirt and grime you can find, all with the simple satisfaction of power-washing to a sparkling finish.
- 10

Viscera Cleanup Detail
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
In Viscera Cleanup Detail, you step into the boots of a space-station janitor tasked with cleaning up after various horrific sci-fi horror events. Instead of machineguns and plasma-rifles, your tools are a mop and bucket. That hero left a mess, and it's up to you to deal with the aftermath.
- 11

Shadow Warrior
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required.
Shadow Warrior is a bold reimagining of the classic 3D Realms’ shooter from independent developer Flying Wild Hog (Hard Reset) starring the legendary and quick-witted warrior Lo Wang.
- 12

Viscera Cleanup Detail: Santa's Rampage
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!
- 13

Crime Scene Cleaner
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Simulation with Monster Mop Up.
Once you get tangled with the mob, you will forever be a part of the mob. At least they pay a decent salary and all you have to do is clean up after their dirty work, but you know what you’re doing. So clean crime scenes, earn as much money as you can, and get ready for the next mission.
- 14

Claws of Furry
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie with Monster Mop Up.
Punch and claw your way through forty fast paced levels of pure mayhem, while honing your Ninja Cat skills, in order to rescue your Master from the evil claws of an unknown enemy.
- 15

Dunebound Tactics
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie with Monster Mop Up.
Lead your band of survivors on a perilous trek across unforgiving sands in search of a new home. Battle ruthless factions, scavenge dwindling resources, reshape the terrain to your advantage and make life-or-death choices in Dunebound Tactics, a Roguelite Turn-Based Tactical RPG.
- 16

RuneSmith
Single-player alternative to Monster Mop Up — playable solo, no multiplayer required. Shares Indie and Simulation with Monster Mop Up.
Grab your beer and join Durgrim into his quest to get his money back from a summoner that is trying to end all creation. Runesmith is a humorous RPG where a grudge-holding dwarf runesmith engraves powerful runes, talks to other dwarves and kills everything else!