Games like Mirror Mysteries
Games like Mirror Mysteries include The Room, The Room Two, The Room 4: Old Sins, Morphopolis, and Boxes: Lost Fragments. We matched them by the tags players give Mirror Mysteries on Steam (Adventure, Hidden Object, Point & Click, Puzzle, and Casual): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Point & Click · Adventure

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

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

Morphopolis
Shared: Hidden Object · Puzzle · Point & Click

Boxes: Lost Fragments
Shared: Adventure · Puzzle · Point & Click

The Room Three
Shared: Adventure · Puzzle · Point & Click

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

Frankenstein: Master of Death
Shared: Hidden Object · Point & Click · Adventure

Hidden Folks
Shared: Hidden Object · Casual · Puzzle

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

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

Syberia
Shared: Adventure · Point & Click · Puzzle

Enigmatis 2: The Mists of Ravenwood
Shared: Adventure · Hidden Object · Puzzle

Sinister City
Shared: Adventure · Hidden Object · Point & Click

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

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

Hidden Through Time
Shared: Hidden Object · Point & Click · Puzzle

Abyss: The Wraiths of Eden
Shared: Hidden Object · Adventure · Casual

Alchemy Mysteries: Prague Legends
Shared: Hidden Object · Adventure · Casual

Enigmatis 3: The Shadow of Karkhala
Shared: Hidden Object · Adventure · Point & Click

Adam Wolfe
Shared: Adventure · Hidden Object · Casual

Sherlock Holmes and The Hound of The Baskervilles
Shared: Adventure · Hidden Object · Casual

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

Machinarium
Shared: Point & Click · Puzzle · Adventure