Games like The Flower Collectors
Games like The Flower Collectors include L.A. Noire, Firewatch, Return of the Obra Dinn, Unheard - Voices of Crime, and What Remains of Edith Finch. We matched them by the tags players give The Flower Collectors on Steam (Indie, Adventure, Detective, Investigation, and Mystery): closest matches first, and among equally close ones the better-known games.

L.A. Noire
Shared: Detective · Adventure · Crime

Firewatch
Shared: Adventure · Mystery · Indie

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

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

What Remains of Edith Finch
Shared: Mystery · Adventure · Story Rich

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

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

Murders on the Yangtze River
Shared: Detective · Adventure · Indie

Outer Wilds
Shared: Adventure · Mystery · Story Rich

The Forgotten City
Shared: Adventure · Mystery · Indie

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

The Painscreek Killings
Shared: Investigation · Detective · Mystery

Murdered: Soul Suspect
Shared: Adventure · Detective · Mystery

Blue Prince
Shared: Mystery · Investigation · Indie

The Operator
Shared: Detective · Investigation · Mystery

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

This Bed We Made
Shared: Mystery · Investigation · Story Rich

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

Gone Home
Shared: Indie · First-Person · Adventure

The Vanishing of Ethan Carter
Shared: Detective · Mystery · Adventure

Duck Detective: The Ghost of Glamping
Shared: Adventure · Detective · Investigation

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

Contrast
Shared: Indie · Adventure · Noir

Strange Horticulture
Shared: Mystery · Detective · Investigation