Games like Detective Grimoire
Games like Detective Grimoire include Tangle Tower, Phoenix Wright: Ace Attorney Trilogy, Lost in Play, Chants of Sennaar, and Murders on the Yangtze River. We matched them by the tags players give Detective Grimoire on Steam (Point & Click, Exploration, Puzzle, Detective, and Visual Novel): closest matches first, and among equally close ones the better-known games.

Tangle Tower
Shared: Point & Click · Detective · Puzzle

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Visual Novel · Puzzle

Lost in Play
Shared: Point & Click · Puzzle · 2D

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

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

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

Danganronpa: Trigger Happy Havoc
Shared: Visual Novel · Detective · Story Rich

The Mermaid Mask
Shared: Point & Click · Detective · Puzzle

Return to Monkey Island
Shared: Point & Click · Puzzle · Funny

Deponia
Shared: Point & Click · Puzzle · Funny

Sanfu
Shared: Puzzle · 2D · Visual Novel

Strange Horticulture
Shared: Puzzle · Point & Click · Detective

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

The Darkside Detective
Shared: Point & Click · Detective · Story Rich

No Case Should Remain Unsolved
Shared: Puzzle · Point & Click · Visual Novel

Her Story
Shared: Detective · Puzzle · Exploration

The Rewinder
Shared: Puzzle · Detective · Point & Click

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

The Darkside Detective: A Fumble in the Dark
Shared: Point & Click · Detective · Puzzle

Syberia: The World Before
Shared: Point & Click · Puzzle · Exploration

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

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

Blacksad: Under the Skin
Shared: Exploration · Point & Click · Puzzle

The House of Da Vinci
Shared: Puzzle · Point & Click · Exploration