Single-player games like What!? My Neighbors Are Demons!!?
Below are 14 single-player Steam games similar to What!? My Neighbors Are Demons!!?, 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 What!? My Neighbors Are Demons!!? page.
Ranked picks
- 1

Life Can Be Amazing
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
“Life Can Be Amazing” is an uplifting Yuri Romantic Comedy Visual Novel and Dating Sim. Play as this seasoned chef as she seeks to rediscover her culinary talent and inspiration by taking a trip down to the Caribbean.
- 2

Futa Fix Dick Dine and Dash
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
Emily has a problem and it's not a little one. Join her and her friends on this hybrid visual novel adventure with select animated scenes. A slice of life comedy featuring Emily coming to terms with becoming a futa and all that comes with it.
- 3

Highway Blossoms
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
A yuri visual novel about Amber, a girl who's trying her best to be alone on the road, until she stumbles upon a young hitchhiker and the journal of a prospector from long ago. Fully voiced in English.
- 4

Trap Shrine
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
The Goddess was a Crossdresser?! The enshrined deity turned out to be a cross dressing Goddess that was sealed to... marry ME?! The cross dressing legend starts here!
- 5

Chasing Tails ~A Promise in the Snow~
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required.
Trying to get away from trouble, June moves to a small town... to find even more trouble! A yuri comedy/horror visual novel, featuring a haunted house, fox-girls, and GxG love ❤︎.
- 6

The Shadows of Pygmalion
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
For as long as anyone knows, beings called “Puppets” have operated in service of a force unknown, quietly manipulating the course of history. One day, Hajiro Mina has a chance encounter with one of these Puppets, ultimately changing her life forever.
- 7

Sakura Space
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
Captain Shika has seen all kinds of things in her adventures throughout the universe, and with her two loyal crew members by her side, she's managed to make a name for her small company of mercenaries. When Shika finds a bounty job offering an absurd amount of money, she doesn't hesitate to act: tracking hardened criminals is part of the...
- 8

Lucy Got Problems
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required.
Lucy, an airhead succubus spy, was sent into the elven forest to... um... what was she supposed to do?! Find out how to survive in the forest full of dangers and lustful elves. And do your best to save the day!
- 9

FlipWitch - Forbidden Sex Hex
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required.
Use your newly-acquired genderbending abilities as a 'FlipWitch' to conquer evil monsters, giant bosses, and Monster Girls across the land! You'll have to use your wits in this quirky adventure to seduce everyone around you!
- 10

ButtKnight
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required.
Save Maidens and slay monsters in this boobastic retro shoot-em-up! No man can stop you. No demon can sway you. And no woman is outside your reach! Be... The ButtKnight!
- 11

Dragon Sleuth Brittany
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
Play as aspiring scaly detective Brittany Sweetbottom in this light-hearted sexy pixel-art RPG! Solve the mystery of the stolen dragon eggs and immerse yourself in a world chock full of horny furry characters!
- 12

Snow Daze: Redaze
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
Critical Bliss and Outbreak Games join forces to deliver a retelling of Snow Daze! You play as Jason, a fledgling musician who has strange desires. Unable to keep his lust in check, Jason comes up with a plan to "rehabilitate" all the voluptuous women in the house.
- 13

NTRaholic Remix
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required.
In this spinoff of beloved isometric H-RPG NTRAHOLIC, you play as Ryunosuke, the professional womanizer. Set your sights on Chiho, the gorgeous housewife next door, and use your newly-acquired demonic powers to corrupt her into your personal whore—or lose your soul!
- 14

Oni Oneesan
Single-player alternative to What!? My Neighbors Are Demons!!? — playable solo, no multiplayer required. Shares Casual with What!? My Neighbors Are Demons!!?.
Two Oni princesses are looking for a mate, one human looks to save his people by marrying into their kingdom. Before the Oni court approves however, he'll have to prove able to rein in their excesses, and maybe teach the two quarrelling sisters a thing or two about ruling.