Games like Neon Hearts City
Games like Neon Hearts City include No Case Should Remain Unsolved, There Is No Game: Wrong Dimension, Chants of Sennaar, The Case of the Golden Idol, and Murders on the Yangtze River. We matched them by the tags players give Neon Hearts City on Steam (Adventure, Interactive Fiction, Point & Click, Pixel Graphics, and Puzzle): closest matches first, and among equally close ones the better-known games.

No Case Should Remain Unsolved
Shared: Interactive Fiction · Puzzle · Point & Click

There Is No Game: Wrong Dimension
Shared: Adventure · Point & Click · Puzzle

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

The Case of the Golden Idol
Shared: Puzzle · Point & Click · Detective

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

The Rewinder
Shared: Adventure · Pixel Graphics · Puzzle

The Roottrees are Dead
Shared: Point & Click · Puzzle · Detective

Thimbleweed Park™
Shared: Adventure · Point & Click · Pixel Graphics

Her Story
Shared: Interactive Fiction · Investigation · Puzzle

Desktop Explorer
Shared: Point & Click · Puzzle · Interactive Fiction

Tangle Tower
Shared: Point & Click · Puzzle · Detective

The Darkside Detective
Shared: Point & Click · Adventure · Pixel Graphics

The Mermaid Mask
Shared: Adventure · Point & Click · Interactive Fiction

OneShot
Shared: Pixel Graphics · Puzzle · Adventure

Papers, Please
Shared: Point & Click · Pixel Graphics · Puzzle

To the Moon
Shared: Adventure · Pixel Graphics · Interactive Fiction

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

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

Strange Horticulture
Shared: Puzzle · Point & Click · Detective

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

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

Tales of the Neon Sea
Shared: Pixel Graphics · Point & Click · Detective

Storyteller
Shared: Interactive Fiction · Point & Click · Adventure

Pentiment
Shared: Adventure · Interactive Fiction · Investigation