Animagus - 10 gamerpoints - Unlock all Animagi - Single Player Only).
Arachnophobic - 10 gamerpoints - Defeat 20 spiders with Ron.
Back in Time - 10 gamerpoints - Use the Time-Turner.
Boo! - 10 gamerpoints - Scare 20 students using a ghost character.
Building Blocks - 30 gamerpoints - Complete all the LEGO Builder tutorial levels - Single Player Only).
Chilled out - 10 gamerpoints - Freeze 20 characters using Glacius.
Crest Collector - 30 gamerpoints - Collect all of the house crests in Year 1 - Single Player Only).
Crest Fanatic - 30 gamerpoints - Collect all of the house crests in Year 2 - Single Player Only).
Dark Wizards - 10 gamerpoints - Buy every version of Voldemort - Quirrell/Tom Riddle/Voldemort) - Single Player Only).
Defeating the Object - 15 gamerpoints - Defeat the mountain troll, using Quirrell.
Ghostly Treasure - 15 gamerpoints - Collect 500 ghost studs.
Good Dog - 10 gamerpoints - Defeat 20 enemies with Fang.
Head Boy - 50 gamerpoints - Complete Year Four Story Levels.
Junior - 50 gamerpoints - Complete Year One Story Levels.
Lumos Solem - 15 gamerpoints - Destroy 50 Devil's Snare plants.
Muggle Trouble - 15 gamerpoints - Defeat 10 enemies with a Muggle character.
Multiplier - 10 gamerpoints - Collect 10 million studs in one level - Single Player Only).
Power Up! - 45 gamerpoints - Collect all of the Red Bricks - Single Player Only).
Prefect - 50 gamerpoints - Complete Year Three Story Levels.
Quick Quidditch - 15 gamerpoints - Complete the Quidditch level within five minutes.
Quidditch Team - 10 gamerpoints - Buy the entire Gryffindor Quidditch team from Book One - Single Player Only).
Quiet Please! - 15 gamerpoints - Turn the sound and music down to 0 in the options menu whilst in the library .
Quirrell Quandary - 15 gamerpoints - Defeat Quirrell in the Quirrell boss fight, using Voldemort.
Role Reversal - 15 gamerpoints - Defeat Harry - as Voldemort), in the Graveyard.
Senior - 50 gamerpoints - Complete Year Two Story Levels.
Solid Snape - 15 gamerpoints - Hide in a barrel as Snape.
Story Complete! - 70 gamerpoints - Complete the Story Levels in all four years.
Stud Magnet - 30 gamerpoints - Get True Wizard in every level - Single Player Only).
Student Rescue - 45 gamerpoints - Rescue all students in peril - Single Player Only).
Teacher's pet - 70 gamerpoints - Complete All Story Lessons - Single Player Only).
The Bonus Level is Yours - 70 gamerpoints - Collect all of the Gold Bricks - Single Player Only).
The Ultimate Collector - 30 gamerpoints - Collect all of the house crests in Year 4 - Single Player Only).
Ultra Collector - 30 gamerpoints - Collect all of the house crests in Year 3 - Single Player Only).
Watch Out! - 15 gamerpoints - Knock over ten characters using a ride-able object.
Wonderful Weasleys - 10 gamerpoints - Buy the entire Weasley family - Single Player Only).
You're the Best - 70 gamerpoints - Complete the game to 100% - Single Player Only).