Games like The Roottrees are Dead
Games like The Roottrees are Dead include Return of the Obra Dinn, The Case of the Golden Idol, Strange Horticulture, Sherlock Holmes: Crimes and Punishments, and Sherlock Holmes: The Devil's Daughter. We matched them by the tags players give The Roottrees are Dead on Steam (Detective, Puzzle, Mystery, Point & Click, and Investigation): closest matches first, and among equally close ones the better-known games.

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

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

Strange Horticulture
Shared: Puzzle · Mystery · Detective

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

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

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

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

The Room
Shared: Puzzle · Mystery · Point & Click

Cyber Manhunt 2: New World - The Hacking Simulator
Shared: Detective · Puzzle · Mystery

The Rewinder
Shared: Mystery · Puzzle · Detective

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

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Mystery · Story Rich

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

The Operator
Shared: Detective · Puzzle · Investigation

Kathy Rain 2: Soothsayer
Shared: Mystery · Investigation · Detective

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

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

The Mermaid Mask
Shared: Detective · Puzzle · Point & Click

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

Servant of the Lake
Shared: Puzzle · Point & Click · Story Rich

Blue Prince
Shared: Puzzle · Mystery · Investigation

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

Duck Detective: The Secret Salami
Shared: Detective · Investigation · Mystery

The Séance of Blake Manor
Shared: Detective · Puzzle · Mystery