I think 3 was the series' peak. IIRC 4+ didn't add much, if anything at all, apart from superficial improvements, and there were more good game options out ther

I think 3 was the series' peak. IIRC 4+ didn't add much, if anything at all, apart from superficial improvements, and there were more good game options out there too. Also: nostalgia. There are many who were gaming during those peak times who spent a lot of time on these games.