You have to complete the Chestnut Forest section (world 2) of Challenge Road to unlock Diddy Kong.
About Diddy Kong
Diddy Kong, also known simply as Diddy, is the deuteragonist of the Donkey Kong franchise and Donkey Kong’s sidekick.
Tier
Characters
Dice Roll
Diddy Kong
You have to complete the Chestnut Forest section (world 2) of Challenge Road to unlock Diddy Kong.
0 0 0 7 7 7
Unlock other Characters
Characters
How To Unlock
Dice Roll
Pom Pom
Shows up in the Party Plaza after completing the Salty Sea section (world 5) of Challenge Road. You have to unlock all the minigames before unlocking Pom Pom.
0 3 3 3 3 8
Dry Bones
Appear randomly after playing different modes Dry Bones is weird. There doesn’t appear to be a set requirement for unlocking the skeletal Koopa. Dry Bones just shows up in Party Plaza after playing for a bit. You’ll find him at the top of the plaza.
1 1 1 6 6 6
Donkey Kong
To unlock Donkey Kong, play River Survival three times. Make sure to take different paths each time. On the third time through, you’ll see DK in the crowd as you head into the home stretch.
+5 0 0 0 10 10
Note:
Coins Numbers with “-” or “+” indicate a dice roll that will cause either a loss of coins “-5” or a gain in coins “+5”.
Character Dice Roll Plain Numbers indicate the number of spaces you will move on the map.