Complete the whole game [but Bowser] with Luigi in one session
Get all of the Dragon Coins in World 1 - Yoshi's Island in one session.
Get all of the Dragon Coins in World 2 - Donut Plains in one session.
Get all of the Dragon Coins in World 3 - Vanilla Dome in one session.
Get all of the Dragon Coins in World 4 - Twin Bridges in one session.
Get all of the Dragon Coins in World 5 - Forest of Illusion in one session.
Get all of the Dragon Coins in World 6 - Chocolate Island in one session.
Get all of the Dragon Coins in World 7 - Valley of Bowser in one session.
Complete every level in World 1 - Yoshi's Island in one session.
Spin Jump on the Turn Blocks in 1-1 with a Power-Up.
Run at max speed down a slope for a few seconds.
Bring Yoshi to one of his various homes.
Complete every level in World 2 - Donut Plains in one session.
Complete every level in World 3 - Vanilla Dome in one session.
Complete every level in World 4 - Twin Bridges in one session.
Complete every level in World 5 - Forest of Illusion in one session.
Complete every level in World 6 - Chocolate Island in one session.
Complete every level in World 7 - Valley of Bowser except for Bowser's Castle in one session.
Defeat Bowser.
Visit all of Yoshi's various homes.
Try to enter a pipe in 1-3.
In the 2-1 Bonus, win at least 3 lives.
Try to enter a pipe in 2-2.
Find an alternate exit in 2-3.