If you liked GH1,2,3 and wish you could play those songs on drums, or sing along, this game is it. Looks like most of the songs (all difficulties) have been updated too, as in new notes, slides challenges. All in all, I feel this game has some of the best songs ever in a GH game, so even if you have played GH1,2,3 you should give this a shot. The difference between Smash Hits and the other new games, is that the song selection tends to be more the songs you want to hear by a particular artist, ie the radio hits. Newer GH games have lots of good artists, but not always the most interesting songs, Smash Hits goes against this grain. In my opinion Smash Hits is the best GH game, because its made up of the best songs from the best era (GH1-3) of GH.