Games like Deep Night Detective - Chapter One
Games like Deep Night Detective - Chapter One include Hollow Knight, ANIMAL WELL, Hollow Knight: Silksong, Danganronpa: Trigger Happy Havoc, and The Messenger. We matched them by the tags players give Deep Night Detective - Chapter One on Steam (Noir, Metroidvania, Mystery, Visual Novel, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Hollow Knight
Shared: Metroidvania · Platformer · 2D

ANIMAL WELL
Shared: Metroidvania · Platformer · Mystery

Hollow Knight: Silksong
Shared: Metroidvania · 2D · Platformer

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Mystery · Dark Comedy

The Messenger
Shared: Metroidvania · Platformer · 2D

Tangle Tower
Shared: Visual Novel · Point & Click · Mystery

Dust: An Elysian Tail
Shared: Metroidvania · Platformer · 2D

Nine Sols
Shared: Metroidvania · Platformer · 2D

Pizza Tower
Shared: 2D Platformer · Platformer · Funny

Mesmalie
Shared: Visual Novel · Interactive Fiction · Point & Click

Rogue Legacy 2
Shared: Metroidvania · Platformer · Action

Storyteller
Shared: Interactive Fiction · Point & Click · 2D

The Wolf Among Us
Shared: Visual Novel · Noir · Adventure

Ori and the Will of the Wisps
Shared: Metroidvania · Platformer · Action

Dead Cells
Shared: Metroidvania · 2D · Adventure

Momodora: Reverie Under The Moonlight
Shared: Metroidvania · 2D Platformer · 2D

Tiny Bunny
Shared: Visual Novel · Horror · Interactive Fiction

Firework
Shared: Mystery · Visual Novel · 2D

Blasphemous
Shared: Metroidvania · 2D · Platformer

Öoo
Shared: Metroidvania · 2D Platformer · 2D

Phoenix Wright: Ace Attorney Trilogy
Shared: Visual Novel · Mystery · Point & Click

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Point & Click · Choices Matter

Guacamelee! Super Turbo Championship Edition
Shared: Metroidvania · Platformer · 2D

Return to Shironagasu Island
Shared: Mystery · Visual Novel · Adventure