Ghost Hunt is a tiny Adventuron game, where you must find and catch the ghosts of long passed family members (all because you wanted to use a casket as a decoration for Halloween). Since catching a ghost is not an easy affair, the ghost of your great-grandfather gives you a box that will do the job for you, if you manage to find the ghost in the first place.
It is a pretty simple parser, with a very limited map and verb list, and generous directions on how to proceed with the descriptions/responses. It’s a polished parser starter-friendly game.