Games like Once Upon an All Hallow's Eve
If Once Upon an All Hallow's Eve is your kind of game, the closest matches are The Thing With Mistletoes, Hatoful Boyfriend and Seduce Me the Otome — picked from the ranked list below. Reviewers single out its free seasonal visual novel, atmospheric and cozy. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Once Upon an All Hallow's Eve: What happens when a girl gets lost all alone in the woods and can only find the occupants of one mysterious mansion to help her?

Players who liked Once Upon an All Hallow's Eve also play
Steam players who put hours into Once Upon an All Hallow's Eve also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
The Thing With Mistletoes
WHY THIS
Top pick for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
A cute Christmas otome dating sim.
Hatoful Boyfriend
WHY THIS
Shares multiple endings and a whimsical mood with Once Upon an All Hallow's Eve.
Second-strongest match for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
Congratulations! You’ve been accepted as the only human student at the prestigious St. PigeoNation’s Institute, a school for talented birds! Roam the halls and find love in between classes as a sophomore student at the world’s greatest pigeon high school.
Seduce Me the Otome
WHY THIS
Shares a whimsical mood with Once Upon an All Hallow's Eve.
Third-strongest match for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
A romantic comedy visual novel centered around a girl named Mika Anderson, who gets entangled in the affairs of incubi.
Nameless ~The one thing you must recall~
WHY THIS
Shares an atmospheric mood with Once Upon an All Hallow's Eve.
Ranked #4 for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
Nameless ~The one thing you must recall~ is a visual novel game designed for female audiences. It was distributed by the publisher, Cheritz, in English, Korean, and Japanese on Nov. 11th, 2013 and now it is available on Steam.
Dandelion - Wishes brought to you -
WHY THIS
Shares a whimsical mood with Once Upon an All Hallow's Eve.
Ranked #5 for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
Dandelion -Wishes brought to you- is a female-oriented game developed by Cheritz. The game was released in South Korea in August, 2012. The English translation for Dandelion was released on Nov, 2012. Dandelion is known as a unique dating simulation with a sensational storyline and charming characters.
Nicole
WHY THIS
Shares multiple endings and a mysterious mood with Once Upon an All Hallow's Eve.
Ranked #6 for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
Excited to join her first choice school, Nicole discovers a disturbing series of disappearances on campus upon moving into the university dorms. Three girls have vanished, and she might be next, deviating from her ideal college experience.
Royal Alchemist
WHY THIS
Shares an atmospheric mood with Once Upon an All Hallow's Eve.
Ranked #7 for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
Intrigue, betrayal, deaths! An Otome / BxB survival Raising Simulation in a high-fantasy royal court setting with RPG elements.
Love Spell: Written In The Stars - a magical romantic-comedy otome
WHY THIS
Shares a whimsical mood with Once Upon an All Hallow's Eve.
Ranked #8 for Once Upon an All Hallow's Eve fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Once Upon an All Hallow's Eve.
After saving the life of a mysterious old woman, a young girl is gifted a magical spell book with the power to make anyone whose name she writes inside of it fall madly in love with her until the next full moon. "Love Spell" is a romantic-comedy otome game full of magic, laughs & cute penguins!
Reviewers mention these as similar to Once Upon an All Hallow's Eve
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
Trick & Treat
WHY THIS
Shares multiple endings and a mysterious mood with Once Upon an All Hallow's Eve.
Reviewers of Once Upon an All Hallow's Eve cross-mention this title as a similar play.
Trick or treating in a vampire's house.Trick & Treat is a light-hearted Halloween adventure. It's about exploring and solving puzzles in a spooky atmosphere. There will be some horror elements, romance, many bad ends and a happy ending of true love.
Date Warp
WHY THIS
Shares multiple endings and an atmospheric mood with Once Upon an All Hallow's Eve.
Reviewers of Once Upon an All Hallow's Eve cross-mention this title as a similar play.
Five days ago, Janet left her dorm to go on a date - and never came back. Was she kidnapped? Murdered? The truth may be even stranger. Solve puzzles to connect together pieces of the story in a science-fiction adventure with eleven possible endings!
Cinderella Phenomenon: Evermore
WHY THIS
Shares multiple endings and a cozy mood with Once Upon an All Hallow's Eve.
Reviewers of Once Upon an All Hallow's Eve cross-mention this title as a similar play.
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Frequently asked about Once Upon an All Hallow's Eve
- Does Once Upon an All Hallow's Eve run on Steam Deck?
- Once Upon an All Hallow's Eve is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
- Is Once Upon an All Hallow's Eve free to play?
- Yes — Once Upon an All Hallow's Eve is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
- What games are most similar to Once Upon an All Hallow's Eve?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Once Upon an All Hallow's Eve are The Thing With Mistletoes, Hatoful Boyfriend, Seduce Me the Otome.
- Who developed Once Upon an All Hallow's Eve?
- Once Upon an All Hallow's Eve was developed by Ran and published by Visual Wordplay.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Once Upon an All Hallow's Eve.
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