Games like Wild Island Quest
Games like Wild Island Quest include Suzerain, Late Shift, The Wolf Among Us, The Life and Suffering of Sir Brante, and Roadwarden. We matched them by the tags players give Wild Island Quest on Steam (Indie, Adventure, Visual Novel, Choices Matter, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

Suzerain
Shared: Visual Novel · Choices Matter · Choose Your Own Adventure

Late Shift
Shared: Choices Matter · Adventure · Indie

The Wolf Among Us
Shared: Adventure · Choices Matter · Multiple Endings

The Life and Suffering of Sir Brante
Shared: Choices Matter · Interactive Fiction · Visual Novel

Roadwarden
Shared: Adventure · Indie · Interactive Fiction

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

Love Is All Around
Shared: Visual Novel · Choices Matter · Multiple Endings

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choices Matter · Choose Your Own Adventure

Far Away
Shared: Visual Novel · Choices Matter · Indie

LoveChoice
Shared: Choices Matter · Visual Novel · Multiple Endings

Endless Monday: Dreams and Deadlines
Shared: Visual Novel · Interactive Fiction · Choices Matter

The Henry Stickmin Collection
Shared: Multiple Endings · Choices Matter · Choose Your Own Adventure

Otaku's Adventure
Shared: Indie · Visual Novel · Multiple Endings

The Test
Shared: Choose Your Own Adventure · Multiple Endings · Choices Matter

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

She Sees Red - Interactive Movie
Shared: Adventure · Choices Matter · Indie

One Night Stand
Shared: Indie · Visual Novel · Choices Matter

Emily is Away <3
Shared: Indie · Choices Matter · Multiple Endings

Road to Empress I
Shared: Choices Matter · Visual Novel · Adventure

风信楼
Shared: Choices Matter · Visual Novel · Multiple Endings

Road 96
Shared: Adventure · Choices Matter · Multiple Endings

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

80 Days
Shared: Adventure · Choices Matter · Indie

Soul Gambler
Shared: Adventure · Indie · Visual Novel