80. Mother 3 (Nintendo/Brownie Brown/APE, 2006 in Japan)
78. Tyrian 2000 (Eclipse Software, 2000)
75. X-COM: UFO Defense (Mythos Games, 1994)
73. Castlevania: Symphony of the Night (Konami, 1997)
72. Donkey Kong Country 2: Diddy's Kong Quest (Rare, 1995)
Another example of a groundbreaking game getting an equally groundbreaking sequel, Donkey Kong Country 2 had more of everything to offer. Stage variety, hidden secrets, animal companions, sharper visuals, better music... it really was a step above the first DKC in every respect. Hell, it even took a page from Super Mario World's book and had entire hidden worlds to discover if you found enough special coins to unlock them, and these stages were among the toughest the game, so your skills had to be honed to a T just to stand a chance at making it through them. There were even some clever cameos from other Nintendo characters if you managed to collect enough hidden DK coins before the ending. Now if only they could get their act together and make another sequel even half as good as this...