For the last letter in Sloppy Sands within Donkey Kong Country Returns HD, it can be found on the final island where you got ...

Puzzle Piece #2 When you grab Cranky from the barrel, take a leap of faith into the next thorn pit. Bounce across to have the rock wall move away, revealing a hidden puzzle piece.

Puzzle Piece 7 When you barrel your way back to the main part of the stage, look out for two tiki monsters walking on top of ...