This applies for all Donkey Kong games you've played.
Anyway:
DKC: All cave and underwater levels. I also like Orang-Utan Gang.
DKC2: All ship deck levels. I also like all coaster ones and Animal Antics.
DKC3: The mill levels (I wonder why the last one was only the eighth level?) and the boardwalk levels. I also like the first half of the Lost World's levels (The third one's included.) and Skidda's Row.
DKJC: The Toy Boxes, most levels on Ghost Island (The last one's not included.), and Falling Falls (Yay! Brambles!) as well as Snowful Slope.
Anyway:
DKC: All cave and underwater levels. I also like Orang-Utan Gang.
DKC2: All ship deck levels. I also like all coaster ones and Animal Antics.
DKC3: The mill levels (I wonder why the last one was only the eighth level?) and the boardwalk levels. I also like the first half of the Lost World's levels (The third one's included.) and Skidda's Row.
DKJC: The Toy Boxes, most levels on Ghost Island (The last one's not included.), and Falling Falls (Yay! Brambles!) as well as Snowful Slope.