Games like Emerald Valley
Games like Emerald Valley include Phoenix Wright: Ace Attorney Trilogy, The Room, Murders on the Yangtze River, The Room 4: Old Sins, and The House of Da Vinci. We matched them by the tags players give Emerald Valley on Steam (Puzzle, Detective, Mystery, Point & Click, and Hidden Object): closest matches first, and among equally close ones the better-known games.

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Mystery · Puzzle

The Room
Shared: Puzzle · Mystery · Point & Click

Murders on the Yangtze River
Shared: Puzzle · Detective · Mystery

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

The House of Da Vinci
Shared: Puzzle · Mystery · Hidden Object

Strange Horticulture
Shared: Puzzle · Mystery · Detective

The White Door
Shared: Puzzle · Detective · Point & Click

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

Gorogoa
Shared: Puzzle · Hand-drawn · Point & Click

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

Sanfu
Shared: Puzzle · Mystery · Adventure

Hidden Folks
Shared: Puzzle · Hidden Object · Hand-drawn

Danganronpa: Trigger Happy Havoc
Shared: Detective · Mystery · Anime

Tangle Tower
Shared: Detective · Puzzle · Point & Click

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

The Roottrees are Dead
Shared: Puzzle · Detective · Mystery

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

The Case of the Golden Idol
Shared: Detective · Mystery · Puzzle

The Rewinder
Shared: Mystery · Puzzle · Detective

Chants of Sennaar
Shared: Puzzle · Point & Click · Adventure

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

Danganronpa 2: Goodbye Despair
Shared: Detective · Mystery · Anime

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

Sally Face - Episode One
Shared: Puzzle · Mystery · Story Rich