Games like G-MODEアーカイブス+ 探偵・癸生川凌介事件譚 Vol.2「海楼館殺人事件」
Games like G-MODEアーカイブス+ 探偵・癸生川凌介事件譚 Vol.2「海楼館殺人事件」 include The Wolf Among Us, The Rewinder, Return of the Obra Dinn, Phoenix Wright: Ace Attorney Trilogy, and Sherlock Holmes: The Devil's Daughter. We matched them by the tags players give G-MODEアーカイブス+ 探偵・癸生川凌介事件譚 Vol.2「海楼館殺人事件」 on Steam (Adventure, Detective, Mystery, Choose Your Own Adventure, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

The Wolf Among Us
Shared: Adventure · Detective · Story Rich

The Rewinder
Shared: Adventure · Mystery · Pixel Graphics

Return of the Obra Dinn
Shared: Detective · Mystery · Story Rich

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Mystery · Story Rich

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

The Test
Shared: Choose Your Own Adventure · Pixel Graphics · Story Rich

Danganronpa 2: Goodbye Despair
Shared: Detective · Mystery · Adventure

L.A. Noire
Shared: Detective · Adventure · Mystery

The Darkside Detective
Shared: Detective · Adventure · Pixel Graphics

Danganronpa: Trigger Happy Havoc
Shared: Detective · Mystery · Story Rich

Urban Myth Dissolution Center
Shared: Adventure · Mystery · Pixel Graphics

Murdered: Soul Suspect
Shared: Adventure · Detective · Mystery

Firewatch
Shared: Adventure · Mystery · Story Rich

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

Back to the Dawn
Shared: Detective · Pixel Graphics · Story Rich

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

Raging Loop
Shared: Adventure · Mystery · Detective

Impostor Factory
Shared: Adventure · Story Rich · Pixel Graphics

The Great Ace Attorney Chronicles
Shared: Adventure · Detective · Mystery

Danganronpa V3: Killing Harmony
Shared: Detective · Mystery · Story Rich

Kathy Rain
Shared: Adventure · Mystery · Pixel Graphics

Outer Wilds
Shared: Mystery · Adventure · Story Rich

Unavowed
Shared: Adventure · Pixel Graphics · Story Rich

AI: The Somnium Files
Shared: Mystery · Detective · Adventure