First You Have To Come First In All Four Of The Cups You Have (The Ones You Started With) Then When You Get The Trophy For First On The Last One You Do Then It Will Say You Unlocked Leaf Cup!
win the 50cc lightning cup to unlock diddy kong
Leaf cup, Star cup, Special cup, and Lightning cup.To unlock leaf cup, complete grand prix 50cc banana and shell cup. to get star cup, complete mushroom cup grannd prix 50cc. to get special cup, complete star cup grand prix 50cc.
you get gold on every thing 50cc-150cc.when you get gold on the lightning cup on 150cc you unlock mirror.
Get a trophy in mushroom cup and flower cup!
Unlock the star cup and play it.
50cc star cup
Win the Leaf Cup on 50cc to unlock the Turbo Blooper kart. Win the Lightning Cup on 100cc to unlock the Zip Zip bike. Win the Leaf Cup on 150cc to unlock the Royal Racer kart. Get a 1-star rank on all 100cc Grand Prix Cups to unlock the Sneakster bike.
You have to win the Flower Cup on 50cc, 100cc, or 150cc. (If you beat Flower Cup on 50cc, it will not appear on 100cc or 150cc, etc.)
Win the 50cc lightning cup
150cc Lightning cup.
Win the 50cc Star Cup.
To unlock Mirror Mode, you have to place 1st on every cup in 150cc.