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Successfully travel all routes around the mine cart ride

Complete the entire obstacle course wearing the red superhero outfit

Complete the entire obstacle course for the first time

Learn all of the dog skills to level 3

Finish the mine cart ride wearing Cosmo's jacket

Solve the final castle puzzle

Find all of Cosmo's collection

Reach 5,000 Buddy Points

Sniff 'n' dig up 75 items

Acquire all trophies.

As Draco Malfoy, cast Tarantallegra at another character.

As Sirius, defeat Bellatrix in the Duelling Club.