Games like Strange Antiquities
Games like Strange Antiquities include Strange Horticulture, The Case of the Golden Idol, The Room, The Room Three, and Return of the Obra Dinn. We matched them by the tags players give Strange Antiquities on Steam (Mystery, Puzzle, Cozy, Dark, and Detective): closest matches first, and among equally close ones the better-known games.

Strange Horticulture
Shared: Mystery · Puzzle · Cozy

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

The Room
Shared: Mystery · Puzzle · Atmospheric

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

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

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

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

The Room Two
Shared: Mystery · Puzzle · Atmospheric

The Roottrees are Dead
Shared: Puzzle · Mystery · Detective

Sally Face - Episode One
Shared: Puzzle · Dark · Mystery

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

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

Outer Wilds
Shared: Mystery · Puzzle · Atmospheric

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

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

The Operator
Shared: Puzzle · Detective · Mystery

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

Blue Prince
Shared: Mystery · Puzzle · Investigation

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

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

The Painscreek Killings
Shared: Mystery · Puzzle · Detective

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

The Rewinder
Shared: Mystery · Puzzle · Adventure

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