Games like Murder by Numbers
Games like Murder by Numbers include No Case Should Remain Unsolved, Magical Girl Witch Trials, Her Story, Phoenix Wright: Ace Attorney Trilogy, and Danganronpa V3: Killing Harmony. We matched them by the tags players give Murder by Numbers on Steam (Investigation, Visual Novel, Puzzle, Female Protagonist, and LGBTQ+): closest matches first, and among equally close ones the better-known games.

No Case Should Remain Unsolved
Shared: Investigation · Puzzle · Visual Novel

Magical Girl Witch Trials
Shared: Visual Novel · Female Protagonist · Detective

Her Story
Shared: Investigation · Puzzle · Interactive Fiction

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

Danganronpa V3: Killing Harmony
Shared: Visual Novel · Female Protagonist · Detective

The Case of the Golden Idol
Shared: Investigation · Puzzle · Detective

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

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Female Protagonist · Interactive Fiction

Trials of Innocence
Shared: Visual Novel · Detective · Interactive Fiction

Sanfu
Shared: Puzzle · Visual Novel · 2D

The Mermaid Mask
Shared: Puzzle · Visual Novel · Detective

The Cosmic Wheel Sisterhood
Shared: Female Protagonist · Visual Novel · LGBTQ+

Refind Self: The Personality Test Game
Shared: Visual Novel · Female Protagonist · Interactive Fiction

The Roottrees are Dead
Shared: Puzzle · Investigation · Detective

Mirror 2: Project X
Shared: Visual Novel · Female Protagonist · Interactive Fiction

The Chrono Jotter
Shared: Visual Novel · Female Protagonist · LGBTQ+

Tangle Tower
Shared: Puzzle · Visual Novel · Detective

彷徨之街 The Street of Adrift
Shared: Visual Novel · Female Protagonist · LGBTQ+

Danganronpa 2: Goodbye Despair
Shared: Visual Novel · Detective · Story Rich

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Investigation · Interactive Fiction

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

Until Then
Shared: Visual Novel · Interactive Fiction · Story Rich

This Bed We Made
Shared: Female Protagonist · Investigation · LGBTQ+

Mohism: Battle of Words
Shared: Visual Novel · Puzzle · Investigation