Games like Detective Story
Games like Detective Story include Notes of Soul, The Forest, Cookie Clicker, Darkwood, and Russian Life Simulator. We matched them by the tags players give Detective Story on Steam (Horror, Adventure, Action, Strategy, and Massively Multiplayer): closest matches first, and among equally close ones the better-known games.

Notes of Soul
Shared: Horror · Action · Adventure

The Forest
Shared: Horror · Adventure · Action

Cookie Clicker
Shared: Horror · Casual · Incremental

Darkwood
Shared: Horror · Adventure · Action

Russian Life Simulator
Shared: Simulation · Action · Strategy

[Chillas Art] Stigmatized Property
Shared: Horror · Adventure · Action

Five Nights at Freddy's: Into the Pit
Shared: Horror · Adventure · Exploration

[Chillas Art] The Convenience Store
Shared: Horror · Adventure · Action

BidKing
Shared: Strategy · Casual · Massively Multiplayer

The Escapists
Shared: Strategy · Action · Simulation

Achievement Clicker
Shared: Casual · Strategy · Action

[Chillas Art] Inunaki Tunnel
Shared: Horror · Adventure · Action

DAVE THE DIVER
Shared: Adventure · Casual · Exploration

[Chillas Art] Aka Manto
Shared: Horror · Action · Adventure

Plebby Quest: The Crusades
Shared: Strategy · Adventure · Casual

SPORE™ Galactic Adventures
Shared: Action · Adventure · Simulation

Once Human
Shared: Action · Adventure · Exploration

The Isle
Shared: Horror · Adventure · Massively Multiplayer

Stray
Shared: Adventure · Exploration · Horror

That's not my Neighbor
Shared: Adventure · Horror · Casual

Rise of the Tomb Raider™
Shared: Adventure · Action · Exploration

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Action

Idle Champions of the Forgotten Realms
Shared: Strategy · Adventure · Incremental

Slime Rancher
Shared: Adventure · Exploration · Casual