Single-player games like ISLAND
Below are 13 single-player Steam games similar to 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 ISLAND page.
Ranked picks
- 1

Summer Pockets
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
From the creators of Angel Beats! and CLANNAD, Key, comes their latest emotional, award-winning journey. Follow protagonist Takahara Hairi as he travels to the secluded island Torishirojima, where he rediscovers what it means to enjoy summer vacation.
- 2

ATRI -My Dear Moments-
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
"As the world sank, I found you." In the near future, a sudden and unexplained sea rise has left much of human civilization underwater. In a little town slowly being enveloped by the ocean, an unforgettable summer is about to begin for a boy and a mysterious robot girl...
- 3

STEINS;GATE
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure with ISLAND.
Developed by 5pb. and Nitroplus, STEINS;GATE was awarded Famitsu magazine's coveted annual Game of Excellence award and was voted one of the most emotionally charged “tear-inducing games” ever made, in a Famitsu poll. It is a gripping and moving Visual Novel, which has already spawned manga and anime adaptations.
- 4

CLANNAD
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
From the world renowned visual novel studio Key, the highly rated story of CLANNAD is now available on Steam! Improved visuals, achievement integration, and Dangopedia make this the best version of CLANNAD to date.
- 5

Dal Segno
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure with ISLAND.
Happiness. Paradise. Words that mean as many different things as there are people in this earth. What does happiness mean to you? What shape does your paradise take?
- 6

The Fruit of Grisaia
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
SIX FRUITS BARE THEIR FANGS AT THE WORLD. --The academy was their orchard. In this place of learning, protected by high walls from the outside world, there arrived a single young man who'd lost his purpose in life. He'd lost sight of what he wanted to protect.
- 7

GINKA
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
"Return to that summer with you..." Ryusei returns to the small island of his younger years, where time flows by gently, to spend a fairy-tale summer vacation with his childhood friend who was spirited away.
- 8

NUKITASHI
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure with ISLAND.
Seiran Island. Even here in paradise, there are those who work in the shadows to bring it down... Confront the tyranny of a twisted system in this long-awaited visual novel adventure.
- 9

Revue Starlight El Dorado
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure with ISLAND.
The first console game of the stage-themed multi-media franchise "Revue Starlight" is on its way!
- 10

KANADE
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
A visual novel about becoming lovers with Kanade—a half-human, half-alien girl. Enjoy a tender relationship with Kanade and witness how love blossoms into a song that saves the world.
- 11

Grisaia Phantom Trigger Vol.1
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
"Grisaia: Phantom Trigger" is a visual novel, specifically a kinetic novel (without branching routes). Returning character artist Akio Watanabe and writer Ryuta Fujisaki bring you the latest installment in the acclaimed Grisaia series.
- 12

The Leisure of Grisaia
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
This side story to "The Fruit of Grisaia" is a character-driven visual novel featuring some of the same characters. This time, it's Michiru who takes the lead role in this slapstick comedy. A laugh-out-loud side story detailing the Mihama girls' school hijinks.
- 13

Corona Blossom Vol.1 Gift From the Galaxy
Single-player alternative to ISLAND — playable solo, no multiplayer required. Shares Adventure and Casual with ISLAND.
Meet R-ne, a metallic organism from space in the form of a young girl. She’s taken in by Keiji and the people of Hanma town, but the maid uniform-clad, cat-eared space pirate Lily and her crew are looking to sell the valuable metal that’s R-ne. Caught up in the turmoil, can she make it back home?