Complete the following cups on the specified difficulties to unlock the corresponding cups:
CUP - HOW TO UNLOCK Diamond Cup - Beat the Sapphire Cup on Rookie. Platinum Cup - Beat the Diamond Cup on Rookie. Sapphire Cup - Beat the Topaz Cup on Rookie. Selection Cup - Beat the Diamond Cup on the Rookie.
Unlock the following characters by performing the corresponding tasks:
CHARACTER - HOW TO UNLOCK Cranky Kong - Beat Cranky Kong in Candy's Requests, Level 3, Mission 24. Funky Kong - Win the Diamond Grand Prix on Rookie. King K. Rool - Beat King K. Rool in Candy's Requests, Level 4, Mission 31. Klump - Beat Level 2, Mission 16. Lanky Kong - Win the Topaz Grand Prix on Rookie. Tiny Kong - Win the Sapphire Grand Prix on Rookie. Wrinkly Kong - Allow Wrinkly Kong to finish 1st on Level 4, Mission 26. Ultra Barrel DK - Beat all of Candy Kong's challenges. Then, hold Z on the nunchuk and select Donkey Kong to play with him. Play as Kludge - Win the Diamond Cup as the Kritter. Play as Kopter - Win the Topaz Cup as the Kritter.
Generally, when you're unlocking characters by playing a "cup" challenge, you can tell the type of character you will unlock. If you play as a "Kong" character (like Donkey Kong or Diddy Kong), you will unlock a similar character, while if you play as a Kremling (like Kritter or Kip), you will unlock a Kremling-like character.