Games like Season Island
Games like Season Island include There Is No Game: Wrong Dimension, No Case Should Remain Unsolved, The Mermaid Mask, Phoenix Wright: Ace Attorney Trilogy, and Florence. We matched them by the tags players give Season Island on Steam (Point & Click, Visual Novel, Adventure, 2D, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

There Is No Game: Wrong Dimension
Shared: Point & Click · Adventure · Puzzle

No Case Should Remain Unsolved
Shared: Visual Novel · Point & Click · Interactive Fiction

The Mermaid Mask
Shared: Point & Click · Adventure · Visual Novel

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Story Rich · Point & Click

Florence
Shared: Adventure · Story Rich · Visual Novel

Tangle Tower
Shared: Point & Click · Visual Novel · Puzzle

Deponia
Shared: Point & Click · Adventure · 2D

Storyteller
Shared: Point & Click · 2D · Adventure

Fran Bow
Shared: Point & Click · Adventure · Story Rich

Tiny Bunny
Shared: Visual Novel · Story Rich · 2D

Return to Monkey Island
Shared: Point & Click · Adventure · 2D

Papers, Please
Shared: Point & Click · Dystopian · Story Rich

Machinarium
Shared: Point & Click · 2D · Puzzle

Sally Face - Episode One
Shared: Story Rich · Adventure · Point & Click

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Story Rich · Point & Click

Sanfu
Shared: 2D · Adventure · Visual Novel

Lost in Play
Shared: Point & Click · 2D · Puzzle

Until Then
Shared: Visual Novel · Interactive Fiction · 2D

Little Misfortune
Shared: Point & Click · Adventure · Story Rich

Trials of Innocence
Shared: Visual Novel · Interactive Fiction · Story Rich

Broken Age
Shared: Point & Click · Adventure · Story Rich

Chants of Sennaar
Shared: Adventure · Point & Click · Puzzle

Detective Grimoire
Shared: Point & Click · Visual Novel · 2D

Servant of the Lake
Shared: Point & Click · Adventure · Puzzle