Complete a story level without dying (and no invincibility cheat).

Complete Defenders of Peace.

Complete Gungan General.

Complete Battle of Geonosis.

Defeat 10 enemies with a Muggle character

Defeat Harry (as Voldemort), in the Graveyard

Destroy 50 Devil's Snare plants

Complete the game to 100%

Collect all of the Gold Bricks

Rescue all students in peril

Get True Wizard in every level

Collect all of the house crests in Year 2