In 'Whose Haunt is This?', you awaken in a peculiar mansion shrouded in fog with no memory of how you got there. The mansion is an ever-shifting labyrinth filled with eccentric ghosts, each with their own unfinished business and secret stories. As you navigate through the illustrious yet eerie halls, you must interact with the spectral inhabitants, solve their mysteries, and unveil the twisted fate that binds you to the mansion. Your choices dictate the outcomes, leading to multiple endings where you might either break the haunting curse or become another ghostly resident of the mansion.