Single-player games like Holiday Island
Below are 9 single-player Steam games similar to Holiday Island, 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 Holiday Island page.
Ranked picks
- 1

Happiness Double Room
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Indie and Simulation with Holiday Island.
It's the end of summer, and you've been abducted by a sister you've known for a long time. Forget all your past troubles, distress and everything bothersome, just spend your time happily with Sister in the days to come!
- 2

Dream Daddy: A Dad Dating Simulator
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Indie and Simulation with Holiday Island.
Dream Daddy: A Dad Dating Simulator is a game where you play as a Dad and your goal is to meet and romance other hot Dads. Are you ready? Hi ready, I'm Dad.
- 3

Onii-chan Asobo
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Indie and Simulation with Holiday Island.
"Let's play Onii-chan" is a Slice of Life/Eroge Kinetic Novel about a developer of AO-rated games and his younger sister, who wants to become a developer too and intends to learn by doing things.
- 4

Workplace Rhapsody
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Indie and Simulation with Holiday Island.
A workplace love game, players also need to balance their own attributes through work and rest, do a good job of time management, earn enough money, and then understand the needs of each woman, to its good, give gifts, in the best way to increase the goodwill of women
- 5

Sheep Love
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Indie and Casual with Holiday Island.
Little game of living with cute sheep "MeiMei"
- 6

Kinkoi: Golden Loveriche
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Simulation and Casual with Holiday Island.
Kinkoi: Golden Loveriche is a Japanese-style visual novel produced by Saga Planets, a Japanese developer of romance VNs. The game won numerous awards in the year of its release in Japan for its art, music, characters, and story.
- 7

Love and Sex: Second Base
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Simulation and Casual with Holiday Island.
Become roommates with two gorgeous girls and explore the largest hand-drawn 18+ dating sim ever. Level up your stats, sharpen your game, and roam the city to seduce scores of unique waifus & find your soulmate(s). Play your cards right, and your days will be filled with nothing but love… and sex!
- 8

Lovey-Dovey Lockdown
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Simulation and Casual with Holiday Island.
You and your former college crush have been locked in a room through divine intervention. The only way out is for you to…
- 9

My life as a cat
Single-player alternative to Holiday Island — playable solo, no multiplayer required. Shares Indie and Casual with Holiday Island.
A visual novel with multiple endings