Games like Who is the Liar?
Games like Who is the Liar? include The Case of the Golden Idol, The Operator, Return of the Obra Dinn, Cyber Manhunt 2: New World - The Hacking Simulator, and Strange Horticulture. We matched them by the tags players give Who is the Liar? on Steam (Detective, Investigation, Mystery, Atmospheric, and Strategy): closest matches first, and among equally close ones the better-known games.

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

The Operator
Shared: Detective · Investigation · Atmospheric

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

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

Strange Horticulture
Shared: Mystery · Detective · Atmospheric

The Painscreek Killings
Shared: Investigation · Detective · Mystery

The Roottrees are Dead
Shared: Detective · Mystery · Investigation

Murders on the Yangtze River
Shared: Detective · Mystery · Story Rich

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

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

Unheard - Voices of Crime
Shared: Detective · Mystery · Story Rich

Lost Wiki: Kozlovka
Shared: Detective · Mystery · Investigation

Blue Prince
Shared: Mystery · Investigation · Puzzle

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

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

Staffer Case: A Supernatural Mystery Adventure
Shared: Detective · Mystery · Atmospheric

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

Contradiction: Spot The Liar
Shared: Detective · Investigation · Atmospheric

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

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

Danganronpa 2: Goodbye Despair
Shared: Detective · Mystery · Story Rich

Sanfu
Shared: Mystery · Puzzle · Colorful

Strange Antiquities
Shared: Mystery · Detective · Atmospheric

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