Games like Beckett
Games like Beckett include Fran Bow, Detention, Kentucky Route Zero: PC Edition, The Witcher 3: Wild Hunt — Remastered, and Raging Loop. We matched them by the tags players give Beckett on Steam (Adventure, Indie, Nudity, Gore, and Point & Click): closest matches first, and among equally close ones the better-known games.

Fran Bow
Shared: Point & Click · Adventure · Indie

Detention
Shared: Indie · Adventure · Atmospheric

Kentucky Route Zero: PC Edition
Shared: Adventure · Indie · Point & Click

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Atmospheric · Story Rich

Raging Loop
Shared: Adventure · Indie · Visual Novel

Tiny Bunny
Shared: Visual Novel · Atmospheric · Story Rich

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

Rusty Lake Paradise
Shared: Indie · Adventure · Point & Click

The Red Strings Club
Shared: Indie · Adventure · Story Rich

Firewatch
Shared: Adventure · Atmospheric · Story Rich

Brothers - A Tale of Two Sons
Shared: Adventure · Indie · Atmospheric

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

Samsara Room
Shared: Indie · Adventure · Point & Click

The Crown of Leaves
Shared: Adventure · Indie · Visual Novel

Downfall
Shared: Adventure · Indie · Point & Click

OneShot
Shared: Indie · Story Rich · Atmospheric

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

Disco Elysium - The Final Cut
Shared: Story Rich · Atmospheric · Point & Click

The Walking Dead
Shared: Adventure · Point & Click · Story Rich

The White Door
Shared: Adventure · Indie · Point & Click

Lucius
Shared: Adventure · Gore · Nudity

Twelve Minutes
Shared: Adventure · Indie · Story Rich

GRIS
Shared: Indie · Adventure · Atmospheric

The Beginner's Guide
Shared: Indie · Story Rich · Atmospheric