Agent 9's Lab: As Agent 9, shoot down all the balloons

Scorch's Pit: Defeat Scorch

Charmed Ridge: Defeat a giant

Lost Fleet: Use cannons to shoot down all vultures

Bentley's Outpost: As Bentley, destroy all the totem poles

Spider Town: As Sparx, defeat the Spider King

Midday Gardens: Launch the Transporter Whirligig

Mushroom Speedway: Fly Through 4 Star Speed Boosts In One Lap

Bamboo Terrace: Follow the question mark bottles to the end

Enchanted Towers: Destroy all the balloons

Midday Gardens: Free Sgt. James Byrd

Buzz's Dungeon: Defeat Buzz