I'm wondering how nobody has said Hurricane yet (alright a little bit of a stretch at 24 years but I think still valid). Comet and Cyclone were fantastic games. It seems to be though in games that come in trios (think Jackbot here) the 3rd game seems doomed to failure or to be unloved like the preceeding 2. Hurricane is a good theme, but ultimately the code is very underutilised (Not sure if Williams just wern't sure what they were doing to best use the new DMD technology being only the 3rd game manufactured by them to have one) with not a huge amount to do. The music is awful and the gameplay leaves a lot to be desired. The only things I sort of like is the spinning backglass for the random award and the big ramp that goes right round the edge of the playfield (although like the spinning backglass this gets old very quickly). I think it would be much better with a code re-write.
This is a game that features on a list of 'I could happily site this and watch it get trashed by the public' game for me.