Games like Gangsters 1920
Games like Gangsters 1920 include Chants of Sennaar, Return of the Obra Dinn, Murders on the Yangtze River, The White Door, and The Legend of Bum-Bo. We matched them by the tags players give Gangsters 1920 on Steam (Adventure, Indie, Strategy, Detective, and Puzzle): closest matches first, and among equally close ones the better-known games.

Chants of Sennaar
Shared: Adventure · Indie · Puzzle

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

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

The White Door
Shared: Adventure · Indie · Puzzle

The Legend of Bum-Bo
Shared: Indie · Adventure · Strategy

Little Nightmares II
Shared: Adventure · Puzzle · Indie

Contrast
Shared: Indie · Adventure · Puzzle

This Is the Police
Shared: Strategy · Indie · Detective

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

Moncage
Shared: Indie · Adventure · Puzzle

Hello Neighbor 2
Shared: Adventure · Puzzle · Action-Adventure

UFO 50
Shared: Indie · Strategy · Adventure

Polarity
Shared: Indie · Adventure · Puzzle

The Basement Collection
Shared: Adventure · Indie · Strategy

LIMBO
Shared: Indie · Puzzle · Adventure

The Last Campfire
Shared: Adventure · Puzzle · Indie

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Puzzle

Nubby's Number Factory
Shared: Strategy · Arcade · Indie

Samsara Room
Shared: Indie · Adventure · Puzzle

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

BEEP
Shared: Indie · Adventure · Puzzle

Waveform
Shared: Indie · Puzzle · Strategy

The Rewinder
Shared: Adventure · Puzzle · Detective

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