Games like Letter Vetter
Games like Letter Vetter include Return of the Obra Dinn, Gorogoa, Carto, GRIS, and Sally Face - Episode One. We matched them by the tags players give Letter Vetter on Steam (Indie, Hand-drawn, Mystery, Story Rich, and Detective): closest matches first, and among equally close ones the better-known games.

Return of the Obra Dinn
Shared: Mystery · Detective · Story Rich

Gorogoa
Shared: Hand-drawn · Indie · Puzzle

Carto
Shared: Indie · Hand-drawn · Story Rich

GRIS
Shared: Indie · Hand-drawn · Atmospheric

Sally Face - Episode One
Shared: Indie · Story Rich · Mystery

Sanfu
Shared: Mystery · Hand-drawn · Puzzle

Firework
Shared: Indie · Mystery · Puzzle

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

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

The White Door
Shared: Indie · Mystery · Detective

Strange Horticulture
Shared: Mystery · Detective · Puzzle

Cube Escape Collection
Shared: Mystery · Indie · Story Rich

The Death Game Report
Shared: Mystery · Indie · Story Rich

Assemble with Care
Shared: Indie · Relaxing · Story Rich

Chants of Sennaar
Shared: Indie · Puzzle · Detective

Cyber Manhunt
Shared: Indie · Mystery · Puzzle

The Case of the Golden Idol
Shared: Mystery · Detective · Story Rich

The Roottrees are Dead
Shared: Mystery · Detective · Story Rich

Outer Wilds
Shared: Mystery · Story Rich · Indie

Unpacking
Shared: Relaxing · Story Rich · Indie

Hidden Folks
Shared: Hand-drawn · Indie · Casual

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

OMORI
Shared: Indie · Story Rich · Hand-drawn

OneShot
Shared: Indie · Story Rich · Puzzle