Games like Mushroom Age
Games like Mushroom Age include The Room, There Is No Game: Wrong Dimension, Morphopolis, That's not my Neighbor, and The Room 4: Old Sins. We matched them by the tags players give Mushroom Age on Steam (Adventure, Casual, Hidden Object, Puzzle, and Simulation): closest matches first, and among equally close ones the better-known games.
The Room
Shared: Puzzle · Adventure · Point & Click
There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Point & Click
Morphopolis
Shared: Puzzle · Hidden Object · Casual
That's not my Neighbor
Shared: Adventure · Casual · Point & Click
The Room 4: Old Sins
Shared: Adventure · Puzzle · Point & Click
Boxes: Lost Fragments
Shared: Adventure · Puzzle · Casual
Hidden Through Time
Shared: Casual · Hidden Object · Puzzle
The Room Two
Shared: Puzzle · Hidden Object · Adventure
Hidden Folks
Shared: Casual · Hidden Object · Puzzle
Enigmatis: The Ghosts of Maple Creek
Shared: Adventure · Hidden Object · Casual
Storyteller
Shared: Puzzle · Adventure · Point & Click
Return to Monkey Island
Shared: Adventure · Point & Click · Puzzle
Grim Legends: The Forsaken Bride
Shared: Hidden Object · Casual · Adventure
Enigmatis 2: The Mists of Ravenwood
Shared: Adventure · Hidden Object · Casual
Frankenstein: Master of Death
Shared: Hidden Object · Casual · Adventure
The Room Three
Shared: Adventure · Puzzle · Point & Click
Grim Legends 2: Song of the Dark Swan
Shared: Casual · Adventure · Hidden Object
Lost and Found Co.
Shared: Hidden Object · Adventure · Point & Click
My Brother Rabbit
Shared: Adventure · Puzzle · Point & Click
Machinarium
Shared: Puzzle · Point & Click · Adventure
Enigmatis 3: The Shadow of Karkhala
Shared: Casual · Adventure · Hidden Object
Varenje
Shared: Adventure · Casual · Puzzle
The House of Da Vinci
Shared: Hidden Object · Puzzle · Adventure
The Silent Age
Shared: Adventure · Point & Click · Puzzle