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