True Wizard
Collect all the bronze, silver and gold trophies

Story Complete!
Complete the Story Levels in all four years

Teacher's pet
Complete All Story Lessons

The Bonus Level is Yours
Collect all of the Gold Bricks

You're the Best
Complete the game to 100%

Building Blocks
Complete all the LEGO Builder tutorial levels.

Crest Collector
Collect all of the house crests in Year 1

Crest Fanatic
Collect all of the house crests in Year 2

Head Boy
Complete Year Four Story Levels

Junior
Complete Year One Story Levels

Power Up!
Collect all of the Red Bricks

Prefect
Complete Year Three Story Levels

Senior
Complete Year Two Story Levels

Stud Magnet
Get True Wizard in every level

Student Rescue
Rescue all students in peril

The Ultimate Collector
Collect all of the house crests in Year 4

Ultra Collector
Collect all of the house crests in Year 3

Animagus
Unlock all Animagi

Arachnophobic
Defeat 20 spiders with Ron

Back in Time
Use the Time-Turner

Boo!
Scare 20 students using a ghost character

Chilled out
Freeze 20 characters using Glacius

Dark Wizards
Buy every version of Voldemort (Quirrell/Tom Riddle/Voldemort)

Defeating the Object
Defeat the mountain troll, using Quirrell

Ghostly Treasure
Collect 500 ghost studs

Good Dog
Defeat 20 enemies with Fang

Lumos Solem
Destroy 50 Devil's Snare plants

Muggle Trouble
Defeat 10 enemies with a Muggle character

Multiplier
Collect 10 million studs in one level

Quick Quidditch
Complete the Quidditch level within five minutes

Quidditch Team
Buy the entire Gryffindor Quidditch team from Book One

Quiet Please!
Turn the sound and music down to 0 in the options menu whilst in the library

Quirrell Quandary
Defeat Quirrell in the Quirrell boss fight, using Voldemort

Role Reversal
Defeat Harry (as Voldemort), in the Graveyard

Solid Snap
Hide in a barrel as Snape

Watch Out!
Knock over ten characters using a ride-able object

Wonderful Weasleys
Buy the entire Weasley family