Games like Captain Morgane and the Golden Turtle
Games like Captain Morgane and the Golden Turtle include Syberia, Florence, Broken Age, The Room 4: Old Sins, and The Supper. We matched them by the tags players give Captain Morgane and the Golden Turtle on Steam (Adventure, Casual, Point & Click, Female Protagonist, and Pirates): closest matches first, and among equally close ones the better-known games.

Syberia
Shared: Adventure · Point & Click · Casual

Florence
Shared: Casual · Adventure · Female Protagonist

Broken Age
Shared: Adventure · Point & Click · Casual

The Room 4: Old Sins
Shared: Adventure · Point & Click · Escape Room

The Supper
Shared: Adventure · Point & Click · Female Protagonist

Gray Matter
Shared: Adventure · Point & Click · Casual

Lil' Guardsman
Shared: Adventure · Casual · Point & Click

Iris.Fall
Shared: Adventure · Casual · Female Protagonist

Monument Valley
Shared: Adventure · Casual · Female Protagonist

Enigmatis: The Ghosts of Maple Creek
Shared: Adventure · Point & Click · Casual

The Room
Shared: Point & Click · Adventure · Casual

Return to Mysterious Island
Shared: Adventure · Casual · Point & Click

The Walking Dead: Season Two
Shared: Adventure · Point & Click · Female Protagonist

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

That's not my Neighbor
Shared: Adventure · Casual · Point & Click

Return to Monkey Island
Shared: Adventure · Point & Click · Pirates

Unboxing the Cryptic Killer
Shared: Adventure · Point & Click · Escape Room

The Secret of Monkey Island: Special Edition
Shared: Adventure · Point & Click · Pirates

Syberia II
Shared: Adventure · Point & Click · Female Protagonist

Grim Legends: The Forsaken Bride
Shared: Casual · Point & Click · Adventure

Syberia 3
Shared: Adventure · Point & Click · Female Protagonist

Grim Legends 2: Song of the Dark Swan
Shared: Casual · Adventure · Point & Click

The Mr. Rabbit Magic Show
Shared: Adventure · Point & Click · Escape Room

Hero of the Kingdom
Shared: Adventure · Casual · Point & Click