Single-player games like The Groom of Gallagher Mansion
Below are 8 single-player Steam games similar to The Groom of Gallagher 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 The Groom of Gallagher Mansion page.
Ranked picks
- 1
A Date with Death
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required. Shares Indie and Simulation with The Groom of Gallagher Mansion.
Fight against & romance the one hunting for your soul in A Date with Death, a romance chat simulator where you date(?) the Grim Reaper himself. Create your own character, decorate your apartment, and chat away with the charming yet dangerous Grim Reaper through text and video calls.
- 2
Demonheart: The Cursed Trial
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required. Shares Indie and Simulation with The Groom of Gallagher Mansion.
You are a girl with a demonic heart, trapped with a group of suspicious individuals. A demonspawn arrives, setting off a chain of mysterious murders. Can you trust any of your fellow captives and find love in the chaos? Or will you fight for your life alone?
- 3
Expelled!
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required. Shares Indie with The Groom of Gallagher Mansion.
A School Prefect has been pushed out of a window, and everyone's blaming YOU. Can you find the culprit - or someone to take the fall - before you get EXPELLED? Mystery with a wicked twist, from the creators of Overboard!, 80 Days, Heaven's Vault and A Highland Song.
- 4
My Sweet! Housemate
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required. Shares Indie and Simulation with The Groom of Gallagher Mansion.
Faced with the cruel and harsh reality of homelessness, you seek out affordable housing in your area. Luckily, it seems you've found the perfect rental, but something is very off about your landlord...
- 5
Bewitching Sinners
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required. Shares Indie and Casual with The Groom of Gallagher Mansion.
Bewitching Sinners is a dark comedy dating sim where your choices will either leave you with your true love or ruin a whole world and potentially killing millions of people within it, no pressure! Explore a fantasy world full of witches, hot priests, and the occasional dance with death.
- 6
Cupid Parasite
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required. Shares Simulation with The Groom of Gallagher Mansion.
In finding love for the Parasite 5, will Cupid find love herself?
- 7
Doodle Date
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required. Shares Indie and Simulation with The Groom of Gallagher Mansion.
Romance, seduce, and even marry your own drawings! Forget about finding true love; In Doodle Date, you create it!
- 8
Astoria: Fate's Kiss
Single-player alternative to The Groom of Gallagher Mansion — playable solo, no multiplayer required.
It's a dangerous thing, gods and monsters living among mortals. Good thing your agency exists to keep them in line. With big dreams and an even bigger heart, you aspire to climb the agency's ladder... That is, until one day five mythical beings ask for your help!