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