#1 for me is Banjo-Kazooie#2 Banjo-Tooie#3 Banjo-Kazooie: Nuts & Bolts#4 World of Goo#5 The Sims 3So we have the first two which are really old (you guessed well), one which copied the first two and the last two which are fairly new!
-Sonnenschein-'s comments