Defeat every Harry freeplay variant as Lord Voldemort
Complete the game to 100% (Single Player Only)
Unlock every bad wizard (Single Player Only)
Unlock all of the members of Dumbledore's Army (Single Player Only)
Unlock ALL of the Order of the Phoenix character variants (Single Player Only)
Unlock every character with a pet (Single Player Only)
Unlock all witch characters (Single Player Only)
Use a Weasley box with every Weasley
Unlock every pyjama character variant (Single Player Only)
Defeat Bellatrix with Neville (Waiter) in a duel
Collect 1 billion studs (Single Player Only)
Defeat 30 Red Caps
Complete the Bonus Level
Complete "The Flaw in the Plan"
Complete Year 8
Complete "Snape's Tears"
Complete "Fiendfyre Frenzy"
Complete "Burning Bridges"
Complete "Back to School"
Complete "The Thief's Downfall"
Unlocked on hitting 50% game completion (Single Player Only)
Complete "DOBBY!"
Complete Year 7
Complete "Lovegood's Lunacy"
Complete "Sword and Locket"
Complete "In Grave Danger"
Visit the Hogwarts Foyer in Year 7/8
Complete the scene where Hermione and Harry dance in the tent
Complete "Magic is Might"
Complete all lessons (Single Player Only)
Complete "The Seven Harrys"
Use the Deluminator
Complete "Horcrux and the Hand"
Complete Year 6
Complete "Felix Felicis"
Complete "Love Hurts"
Complete "A Not So Merry Christmas"
Complete "Just Desserts"
Complete "Out of Retirement"
Complete "A Veiled Threat"
Complete Year 5
Defeat Bellatrix as any Sirius Black character variant in a duel
Complete "A Giant Virtuoso"
Complete "Kreacher Discomforts"
Complete "Focus!"
Complete "Dumbledore's Army"
Use a Quibbler dispenser 25 times
Complete "Dark Times"
Defeat Harry (as Voldemort), in the Graveyard
Defeat Quirrell in the Quirrell boss fight, using Voldemort
Complete the game to 100%
Buy every version of Voldemort (Quirrell/Tom Riddle/Voldemort)
Collect all of the Gold Bricks
Rescue all students in peril
Collect all of the house crests in Year 4
Scare 20 students using a ghost character
Defeat 10 enemies with a Muggle character
Destroy 50 Devil's Snare plants
Complete all the LEGO Builder tutorial levels.
Collect all of the house crests in Year 3
Unlock all Animagi
Get True Wizard in every level
Collect all of the house crests in Year 2
Buy the entire Weasley family
Collect all of the house crests in Year 1
Defeat the mountain troll, using Quirrell
Buy the entire Gryffindor Quidditch team from Book One
Complete the Quidditch level within five minutes
Collect 10 million studs in one level
Collect all of the Red Bricks
Hide in a barrel as Snape
Complete Year Four Story Levels
Complete the Story Levels in all four years
Use the Time-Turner
Complete All Story Lessons
Complete Year Three Story Levels
Complete Year Two Story Levels
Defeat 20 spiders with Ron
Complete Year One Story Levels
Defeat 20 enemies with Fang
Turn the sound down to 0 and music off in the options menu whilst in the library
Collect 500 ghost studs
Freeze 20 characters using Glacius
Knock over ten characters using a ride-able object
