Single-player games like Mushi Mansion
Below are 10 single-player Steam games similar to Mushi Mansion, 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 Mushi Mansion page.
Ranked picks
- 1

Yakuza Undisputed
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
Story follows a yakuza member who was framed, spent a couple of years in jail. After being released, he learns that the T.Kimaru gang had taken his belovd"xioyu" captive for been accused of losing the syndicate boss money, can you rescue her from the opposing gang maybe, maybe not. Kimaru awaits you
- 2

Hazard School : Bully Fight
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
In the Blue Sky Academy school, where chaos reigns among the students, they will be involved in sometimes ironic and sometimes conflictive situations in order to achieve their goal, to gain total control of this chaotic school.
- 3

Code Zodiac
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
Fight for the future in this story-heavy, boss-fights-only action game. Defeat, debug, and repair massive robots as you uncover the dark secrets of the Zodiac System.
- 4

Horryefieing: High-Rise
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
Angel Boyd is an archaeologist from England. He recently unearthed some ancient documents of great importance. Help him to deliver them through the pillar-box outside his apartment to demonologist society "The Circle"... if you can.
- 5

Sur 2D Horror
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
Sur is a survival horror game inspired by survival horror classics. Help Vanessa guide her wheelchair to explore the Uroko hospital and escape from creatures that chase her in her biggest nightmare. Whether hiding or shooting firearms. Survive!
- 6

Quiet Valley 2
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
A 2.5D indie horror game with a strange reverse-fish-eye presentation. Explore and uncover lore and scares. Contains jumpscares and atmospheric/story-driven elements. Be thorough to unlock both endings if you are a completionist, but watch out behind you.
- 7

Vaccine Rebirth
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
Enter once again into the world of Survival Horror.
- 8

Reality Noclip: The Backrooms
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Action and Indie with Mushi Mansion.
A research organization has finally found your lost tape. With that tape, it is proven that you weren't missing because you got lost, you noclipped out of reality. You have to get out of this place, an infinite maze with little to no escape. How will you escape this reality noclip?
- 9

Daigaku Gurashi
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required. Shares Indie with Mushi Mansion.
Daigaku Gurashi is an anime-themed social simulator where the NPCs judge each other and aren't biased towards or against the player.
- 10

Yomp for Zhi
Single-player alternative to Mushi Mansion — playable solo, no multiplayer required.
Yomp for Zhi is a difficult turn-based RPG with no getting lost or backtracking. It has perma-death, a lot of randomization, 41 characters to hire, and most enemies can become temporary allies.