Simple 1500 Series Vol. 59: The Suiri - IT Tantei: 18 no Jikenbo

Sinopsis en inglés

The Suiri is a mystery solving adventure game where the player tries to solve 18 different cases. Each cases consists of searching various locations for clues and then making deductions and drawing conclusions. The game is viewed from 1st-person perspective with various zoomed-in areas of interest where player can often interact with in more detail.