First, there are two really viable strategies for playing it which are equally fun. Bashing the bookcase will get to the multiball and hearing Gomez shout “It’s SHOWTIME!” is super satisfying.
If the multiball strat isn’t for you, then working your way through the “room” of the mansion are just as rewarding. Completing all the rooms starts a mode where every mode just plays one after the other. Super satisfying, if you can get it.
Second, the callouts, art, and design are fun and full of character. Having thing grab the ball and pull it into his box is a particularly nice touch.
Finally, the layout of the table allows for some nice “flow” where you can transition between shots nicely.
(I see Galloping Ghost has it, so I assume it’s somehow great.)