Collect your first star.

Collect 8 stars.

Collect 50 stars.

Collect all 120 stars.

Press the red and green !-switches.

Defeat Bowser in the Ice Mines and collect his key.

Defeat Bowser in the Crimson Carnival and collect the grand star.

Collect all 7 stars in Treetrunk Valley.

Collect all 7 stars in Brinstar Jungle.

Collect all 7 stars in City in the Sky.

Collect all 7 stars in Bustin' Dusk Beach.

Collect all 7 stars in Colorful Pyramid Desert.

Collect all 7 stars in Burning Arctic Caverns.

Collect all 7 stars in Cryptic Phosphor Tower.

Collect all 7 stars in Dragon Road Chun-Nan.

Collect all 7 stars in Hang Mystic Mansion.

Collect all 7 stars in The Classic Stage.

Collect all 7 stars in Mountain Above the Clouds.

Collect all 7 stars in Vintage Castle.

Collect all 7 stars in Temple of Prometheus.

Collect all 7 stars in Autumn Mountain.

Collect all 4 stars across all 3 overworlds.

Collect all 4 stars across Wing Cap, Metal Cap, and both Bowser courses

Collect 7 stars across the Halls of Fame.

Collect all 14 stars across the Halls of Fame.

Course 1 - Collect a 1-up mushroom on top of some scaffolding.

Course 1 - Collect a 1-up mushroom near a big tree.

Course 3 - Collect a 1-up mushroom outside, beside the broken tower.

Course 3 - Collect a 1-up mushroom at the very top of the rotating mill.

Course 5 - Collect a 1-up mushroom at the top of a waterfall.

Course 7 - Collect a 1-up mushroom inside the dark wood room.

Course 8 - Collect a 1-up mushroom inside a waterfall.

Course 9 - Collect a 1-up mushroom high up, between some inverted platforms.

Guest Course 1 - Collect a 1-up mushroom inside a small pentagon pillar.

Guest Course 2 - Collect a 1-up mushroom above a waterfall.

Guest Course 3 - Collect a 1-up mushroom between some bookshelves.

Guest Course 3 - Collect a 1-up mushroom inside one of the castle rooms.

Guest Course 3 - Collect a 1-up mushroom high up in the ice cavern.

Guest Course 4 - Collect a 1-up mushroom somewhere inside Zeus's domain.

Guest Course 5 - Collect a 1-up mushroom under a small staircase.

Metal Cap Stage - Collect a 1-up mushroom on top of a lavafall.

Bowser in the Ice Mines - Collect a 1-up mushroom at the bottom of a slide.

Bowser in the Crimson Carnival - Collect a 1-up mushroom around a tall building.

Bowser in the Crimson Carnival - Collect a 1-up mushroom on top of the buildings in the center.

The Halls of Fame - Collect a 1-up mushroom above the arches of the hall.

SEGA's level - Collect a 1-up mushroom near the starting point.

Cheezepin's level - Collect a 1-up mushroom on top of a tree.

Kaze's level - Collect a 1-up mushroom under the starting point.

Overworld 1 - Collect a 1-up mushroom in an underwater alcove.

Overworld 2 Ice - Collect a 1-up mushroom off in the distance, behind the temple of Prometheus.

Course 1 - Collect the star 'Wooded Secrets Platforming' without standing on the purple switch.

Course 2 - Collect all the blue coins without using the A button.

Course 3 - Collect the star 'Top of the Spinning Tower' without getting a wing cap.

Enter the other Course 4 entrance in the overworld without getting a wing cap (enter any level or switch day/night to retry).

Course 5 - Collect the star 'Get on Yellow Desert Temple Top' without using the cannon.

Course 6 - Collect the star 'Penguin Trapped in Burnt Room' without going below 6 HP.

Course 7 - Collect the star 'Deep Dive in Phosphor River' with at least 5 seconds remaining on the timer.

Course 8 - Collect all 8 coins from the arrow over quicksand.

Course 9 - Collect the star 'The Furnace Fun Wannabe' without activating any of the puzzles.

Guest Course 1 - Stand on top of the roof of the Whomps' fortress (the highest point of the second area).

Guest Course 2 - Collect the star 'Slide-Slide for the Star' without butt sliding.

Guest Course 3 - Collect the star 'All Hail King Carrot' without taking damage in the King Carrot area.

Guest Course 4 - Collect the star 'Zeus's Domain' without jump kicking.

Guest Course 5 - Collect the star 'A Speedrun Over the Water without standing on the purple switch.

Wing Cap Stage - Begin your flight from the switch platform and directly collect the star without touching the ground.

Cosmic Wall - Jump too high into the air and hear some fitting music as you Game Over.

ToasterKetchup's Level - Collect the star 'Slippery Snow' without taking damage.

Defeat the final Bowser on Gamer Mode with at least half HP remaining (must talk to Bowser).

Mash many buttons during the credits to spawn a friend (see Measured for progress).