Unlock the Beagle Scout Costume

Unlock the Astronaut Costume

Unlock the Flying Ace Costume

Unlock the Masked Marvel Costume

Finish a level

Complete all Peppermint Jungle levels

Complete all Temple of Bunnies levels

Complete all Lunar Surface levels

Complete all Skies of Paris levels

Complete all Parisian Underground levels

Complete all Melody Chateau levels

Collect all Jelly Beans in a single level

(1) 

Collect all kids objects

(1) 

Unlock the Joe Cool Costume

Unlock the Detective Costume

Unlock all Costumes

Complete the game

Hover as normal Snoopy for more than 5 seconds

Jump on three enemies without touching the ground

Break through a wall as the Masked Marvel

Defeat The Mask Boss without being hit