The Case Files of the Earl's Mansion
by Yoppu
About The Case Files of the Earl's Mansion
The Case Files of the Earl's Mansion is a 2D adult RPG Maker game by Yoppu. You play a London detective who receives a warning letter from Earl Hilton, who leads the Hilton family, mentioning jewelry theft. The detective and his colleague, Officer Melode, patrol the mansion, where motives and sexual desires mix. It touches on cheating and corruption. The game uses 2D CG visuals and English text translated with GPT-4.1.
The current build is v1.0, released April 28, 2026. It is a Windows game, not marked Final, and the latest changelog reports bug fixes. It uses English and is censored with mosaic. The changelog includes a fix for a screen that could fail to advance under certain conditions, and encourages players who enjoy the game to support the developer by purchasing it.
Developer's description
A new case has come to the protagonist (the player), a London detective. It seems that he received a warning letter from Earl Hilton, the head of the prestigious Hilton family, saying that he would be going in to steal jewelry. The protagonist and his colleague, Officer Melode, go on a patrol of the mansion. However, there were many motives and sexual desires swirling around there...
The Case Files of the Earl's Mansion screenshots
Download The Case Files of the Earl's Mansion v1.0
Changelog
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