Collect all of the house crests in Year 4 (Single Player Only)
Collect all of the Red Bricks (Single Player Only)
Collect all of the Gold Bricks (Single Player Only)
Rescue all students in peril (Single Player Only)
Buy every version of Voldemort (Quirrell/Tom Riddle/Voldemort) (Single Player Only)
Get True Wizard in every level (Single Player Only)
Complete all the LEGO Builder tutorial levels (Single Player Only)
Defeat 20 spiders with Ron
Unlock all Animagi (Single Player Only)
Collect all of the house crests in Year 2 (Single Player Only)
Collect all of the house crests in Year 3 (Single Player Only)
Buy the entire Weasley family (Single Player Only)
Buy the entire Gryffindor Quidditch team from Book One (Single Player Only)
Collect 10 million studs in one level (Single Player Only)
Hide in a barrel as Snape
Complete Year Four Story Levels
Complete the Story Levels in all four years
Collect all of the house crests in Year 1 (Single Player Only)
Complete All Story Lessons (Single Player Only)
Complete Year Three Story Levels
Use the Time-Turner
Complete Year Two Story Levels
Knock over ten characters using a ride-able object
Turn the sound and music down to 0 in the options menu whilst in the library
Complete Year One Story Levels
Collect 500 ghost studs
Complete the game to 100% (Single Player Only)
Defeat 20 enemies with Fang
Defeat Quirrell in the Quirrell boss fight, using Voldemort
Freeze 20 characters using Glacius
Scare 20 students using a ghost character
Defeat the mountain troll, using Quirrell
Defeat Harry (as Voldemort), in the Graveyard
Defeat 10 enemies with a Muggle character
Destroy 50 Devil's Snare plants
Complete the Quidditch level within five minutes
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