Bowser Jr is the son of Mario's worst nightmare, BOWSER! So, the article will tell you how to unlock this cool, evil dude.
Step 1. Press the [A] key
Step 2. Choose your difficulty level
Step 3. Select the single player mode
(You can play the role of anyone.)
Step 4. Go to the "Grand Prix" section
Step 5. Achieve "One Star" rank or higher on all 100cc Retro Cups
- Use the hero you like.
- Don't forget to unlock all Retro Cups!