Games like Marcella Moon: Four Are Watching
Games like Marcella Moon: Four Are Watching include The Case of the Golden Idol, The Room, Strange Horticulture, Murders on the Yangtze River, and The White Door. We matched them by the tags players give Marcella Moon: Four Are Watching on Steam (Mystery, Indie, Point & Click, Old School, and Adventure): closest matches first, and among equally close ones the better-known games.

The Case of the Golden Idol
Shared: Mystery · Point & Click · Detective

The Room
Shared: Mystery · Point & Click · Puzzle

Strange Horticulture
Shared: Mystery · Puzzle · Point & Click

Murders on the Yangtze River
Shared: Indie · Mystery · Adventure

The White Door
Shared: Indie · Point & Click · Adventure

Sherlock Holmes: The Devil's Daughter
Shared: Mystery · Adventure · Detective

Return of the Obra Dinn
Shared: Mystery · Detective · Puzzle

Unheard - Voices of Crime
Shared: Mystery · Detective · Indie

The Roottrees are Dead
Shared: Mystery · Point & Click · Puzzle

The Room Two
Shared: Mystery · Point & Click · Puzzle

The Room Three
Shared: Mystery · Point & Click · Indie

Firework
Shared: Indie · Mystery · Puzzle

Sherlock Holmes: Crimes and Punishments
Shared: Mystery · Adventure · Detective

The Rewinder
Shared: Mystery · Adventure · Puzzle

Chants of Sennaar
Shared: Indie · Adventure · Puzzle

The Operator
Shared: Mystery · Detective · Puzzle

Tangle Tower
Shared: Point & Click · Detective · Puzzle

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

Twelve Minutes
Shared: Indie · Mystery · Adventure

Sanfu
Shared: Mystery · Puzzle · Adventure

Rusty Lake Paradise
Shared: Indie · Point & Click · Puzzle

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

Cyber Manhunt 2: New World - The Hacking Simulator
Shared: Mystery · Point & Click · Puzzle

Cube Escape Collection
Shared: Mystery · Point & Click · Puzzle