No one is better than me at locating obscure detective games.

https://store.steampowered.com/app/3758950/Death_at_Fleming_Manor/

https://store.steampowered.com/app/2797960/Confidential_Killings/

https://store.steampowered.com/app/1989370/PsychoDive/

https://store.steampowered.com/app/2174430/Welcome_to_Lightford/

https://store.steampowered.com/app/3211980/Embers_Of_Spiritflame/

https://store.steampowered.com/app/3077760/An_Exercise_in_Mortality__Chapter_I/

https://store.steampowered.com/app/1281250/Lammana_The_Looe_Island_Mystery/

https://store.steampowered.com/app/2983660/The_Jokers_Game/