Games like Sonya: The Great Adventure
Games like Sonya: The Great Adventure include The Room, Gorogoa, There Is No Game: Wrong Dimension, GRIS, and The Room Two. We matched them by the tags players give Sonya: The Great Adventure on Steam (Casual, Adventure, Indie, Hidden Object, and Puzzle): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Adventure · Point & Click

Gorogoa
Shared: Indie · Puzzle · Casual

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

GRIS
Shared: Indie · Adventure · Atmospheric

The Room Two
Shared: Puzzle · Hidden Object · Point & Click

The Room Three
Shared: Adventure · Puzzle · Indie

Fran Bow
Shared: Adventure · Point & Click · Puzzle

Morphopolis
Shared: Indie · Casual · Puzzle

Hidden Folks
Shared: Casual · Hidden Object · Indie

Machinarium
Shared: Puzzle · Point & Click · Adventure

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

Rusty Lake Paradise
Shared: Indie · Adventure · Puzzle

Sally Face - Episode One
Shared: Indie · Story Rich · Adventure

Chants of Sennaar
Shared: Adventure · Puzzle · Indie

Boxes: Lost Fragments
Shared: Adventure · Casual · Puzzle

Papers, Please
Shared: Indie · Point & Click · Puzzle

Old Man's Journey
Shared: Adventure · Casual · Story Rich

Servant of the Lake
Shared: Adventure · Puzzle · Indie

OneShot
Shared: Indie · Story Rich · Puzzle

Broken Age
Shared: Adventure · Point & Click · Indie

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Story Rich

The House of Da Vinci
Shared: Hidden Object · Puzzle · Point & Click

A Story About My Uncle
Shared: Adventure · Indie · Singleplayer

My Brother Rabbit
Shared: Adventure · Puzzle · Point & Click