Games like Dragon Island
Games like Dragon Island include Sweet Home, Sanfu, Lay a Beauty to Rest: The Darkness Peach Blossom Spring, Until Then, and The Hungry Lamb: Traveling in the Late Ming Dynasty. We matched them by the tags players give Dragon Island on Steam (LGBTQ+, RPG, Adventure, Visual Novel, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

Sweet Home
Shared: LGBTQ+ · RPG · Visual Novel

Sanfu
Shared: RPG · Adventure · Puzzle

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Adventure · Visual Novel · Interactive Fiction

Until Then
Shared: Visual Novel · Interactive Fiction · LGBTQ+

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Adventure

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Indie

The Weeping Swan: Ten Days of the City's Fall
Shared: Interactive Fiction · Visual Novel · Word Game

Otaku's Adventure
Shared: Visual Novel · RPG · Adventure

Finding Paradise
Shared: Adventure · RPG · 2D

Vampires' Melody
Shared: Visual Novel · Adventure · Interactive Fiction

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Adventure · Anime

Mirror 2: Project X
Shared: Visual Novel · Interactive Fiction · Anime

Impostor Factory
Shared: Adventure · RPG · 2D

To the Moon
Shared: Adventure · RPG · Interactive Fiction

Far Away
Shared: Visual Novel · Word Game · Adventure

WILL: A Wonderful World / WILL:美好世界
Shared: RPG · Adventure · Puzzle

恋爱绮谭~不存在的夏天~
Shared: LGBTQ+ · Visual Novel · Word Game

Aliya: Timelink
Shared: RPG · Visual Novel · Interactive Fiction

Billionaire Lovers
Shared: RPG · Visual Novel · Interactive Fiction

South Park™: The Stick of Truth™
Shared: RPG · Adventure · Comedy

Tales of the Black Forest
Shared: RPG · Adventure · Visual Novel

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Anime · Adventure

Danganronpa 2: Goodbye Despair
Shared: Visual Novel · Anime · Adventure

Refind Self: The Personality Test Game
Shared: Interactive Fiction · Adventure · Visual Novel