Quoted from Rockytop:Star Trek, The Addams Family, Twilight Zone, Congo, The Shadow, White Water, and Tron are some of the best 3/4 flipper games in my opinion.
Love 3 flipper games and those are some of the best. However, classics like TAF, TZ, WH2O, and even Congo are expensive and more maintenance may be involved. Stern ST, JP, and IMDN pro's are great fun, deeper code, and pretty good value.