Collect 99 coins
Grab a mushroom
Accumulate 20,000 points
Get 3 extra lives from the bonus game
Complete World 4
Accumulate 250,000 points
Complete World 1
Complete World 2
Complete World 3
Complete World 2-2 in under 70 seconds without using checkpoints or pipes
Complete World 4-1 in under 90 seconds without using checkpoints or pipes
Accumulate 100,000 points
Complete World 3-1 in under 100 seconds without using checkpoints or pipes
Beat the game on hard mode
Complete World 1 without collecting any coins
Defeat King Totomesu with superballs
Without taking damage, defeat Dragonzamasu with torpedos
Defeat Hiyoihoi with superballs
Complete World 1 without dying
Complete World 2 without dying
Complete World 3 without dying
Complete World 4 without dying
Grab a Superball Flower from an item box and obtain the Superball ability
Obtain 15 extra lives without dying
Defeat Biokinton and Tatanga without taking damage
Collect all 28 coins on top of World 1-3
Accumulate 100,000 points on hard mode without dying
Beat the game on hard mode without using a continue
Enter the bonus games in World 1-1 and World 1-2
Enter the bonus games in World 2-1 and World 2-2
Enter the bonus games in World 3-1 and World 3-2
Enter the bonus games in World 4-1 and World 4-2
Find every secret area in World 1
Find every secret area in World 2
Find every secret area in World 3
Find every secret area in World 4