Super Mario Advance 3 - Yoshi's Island - Gameboy Color
Hard Mode
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You must get 1000 points in a world (100 points on all levels,
Extra and Secret included) to make a star appear on the 'Select
Game' screen. If you get 5 stars you will be able to play Yoshi's
Island on Hard Mode.
Bandit Mini-Games
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To use the Bandit Mini-Games any time go to the stage select
screen, hold select and then press L, L, B, A, R. You will be
taken to a screen with all six games where you can get unlimited
power-ups.
Unlock 6 Secret Levels
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Complete the game with 100% on all 8 levels to get 6 levels not
found in the original Yoshi Island.
Secret Ending
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You must get 6 stars (100 points on all 60 levels, for 6000 points)
then beat the game to see the secret ending.
Bonus Games
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To unlock mini-games to play at your own free will, simply get a
score of 700 or more for a world. The bonuses for each world are:
World 1: Flip Card's
World 2: Drawing Lot's
World 3: Scratch n' Match
World 4: Match Cards
World 5: Roulette
World 6: Slot Machine.