Return to Era's shop after you bought everything
Finish the following levels without collecting a single shell: 1-4, 3-2, 3-8, 4-1, and 4-6
Beat Flint the caveman without letting him jump on the wall
Eat 3 times during the boss fight on level 4-4
Complete a Time Challenge despite eating on the level
Kill an enemy and open a flower with a single shot
Finish all chase sequences without getting a single hit
Detonate yourself
Cut off the second head from all allosauruses on level 4-4 but kill none of them
Taste all kinds of food
Fall on the fish face down
Destroy all pterodactyl nests
Kill 3 enemies with a single jetpack charge
Spin the same spinning sign 4 times
Trigger an idle animation
Jetpack charge 10 times without touching the ground
Disregard the warning at the beach
Avoid crashing into the ground on level 1-2
Finish level 1-5 without using the slingshot
Finish any level without defeating a single enemy
Restart any level less than 10 seconds in
Destroy 30 nutshells
Find the secret workforce behind wooden platforms
Fall from more than 100 meters
Gather 9999 shells
Beat the No Damage Challenge on all levels
Beat the Time Challenge on all levels
Beat the Collectible Challenge on all levels
Complete the game in the Arcade Mode
Achieve all feats
