Games like Legion Was Here
Games like Legion Was Here include Murders on the Yangtze River, Cyber Manhunt 2: New World - The Hacking Simulator, The Case of the Golden Idol, Orwell: Keeping an Eye On You, and The Roottrees are Dead. We matched them by the tags players give Legion Was Here on Steam (Investigation, Dark Humor, Detective, Puzzle, and Mystery): closest matches first, and among equally close ones the better-known games.

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

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

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

Orwell: Keeping an Eye On You
Shared: Investigation · Espionage · Detective

The Roottrees are Dead
Shared: Detective · Puzzle · Investigation

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

Strange Horticulture
Shared: Puzzle · Mystery · Detective

The Operator
Shared: Investigation · Detective · Puzzle

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

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

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

Cyber Manhunt
Shared: Puzzle · Detective · Mystery

No Case Should Remain Unsolved
Shared: Investigation · Puzzle · Interactive Fiction

The Painscreek Killings
Shared: Investigation · Detective · Mystery

Lost Wiki: Kozlovka
Shared: Investigation · Detective · Mystery

L.A. Noire
Shared: Detective · Investigation · Mystery

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

The Rise of the Golden Idol
Shared: Investigation · Detective · Mystery

Her Story
Shared: Investigation · Detective · Puzzle

Blue Prince
Shared: Investigation · Puzzle · Mystery

Strange Antiquities
Shared: Puzzle · Mystery · Detective

Confidential Killings - A Detective Game
Shared: Investigation · Detective · Puzzle

The Mermaid Mask
Shared: Detective · Puzzle · Investigation

Back to the Dawn
Shared: Detective · Story Rich · Choices Matter