The Bonus Level is Yours
Collect all of the Gold Bricks (Single Player Only)
70 ✓ June 2nd, 2011
You're the Best
Complete the game to 100% (Single Player Only)
70 ✓ June 8th, 2011
Teacher's pet
Complete All Story Lessons (Single Player Only)
70 ✓ May 5th, 2011
Story Complete!
Complete the Story Levels in all four years
70 ✓ May 10th, 2011
Junior
Complete Year One Story Levels
50 ✓ April 22nd, 2011
Senior
Complete Year Two Story Levels
50 ✓ May 2nd, 2011
Prefect
Complete Year Three Story Levels
50 ✓ May 4th, 2011
Head Boy
Complete Year Four Story Levels
50 ✓ May 10th, 2011
Power Up!
Collect all of the Red Bricks (Single Player Only)
45 ✓ May 30th, 2011
Student Rescue
Rescue all students in peril (Single Player Only)
45 ✓ June 2nd, 2011
The Ultimate Collector
Collect all of the house crests in Year 4 (Single Player Only)
30 ✓ May 25th, 2011
Stud Magnet
Get True Wizard in every level (Single Player Only)
30 ✓ May 18th, 2011
Building Blocks
Complete all the LEGO Builder tutorial levels (Single Player Only)
30 ✓ April 27th, 2011
Crest Collector
Collect all of the house crests in Year 1 (Single Player Only)
30 ✓ May 15th, 2011
Crest Fanatic
Collect all of the house crests in Year 2 (Single Player Only)
30 ✓ May 19th, 2011
Ultra Collector
Collect all of the house crests in Year 3 (Single Player Only)
30 ✓ May 23rd, 2011
Quirrell Quandary
Defeat Quirrell in the Quirrell boss fight, using Voldemort
15 ✓ June 8th, 2011
Defeating the Object
Defeat the mountain troll, using Quirrell
15 ✓ June 8th, 2011
Watch Out!
Knock over ten characters using a ride-able object
15 ✓ April 14th, 2011
Solid Snape
Hide in a barrel as Snape
15 ✓ June 8th, 2011
Role Reversal
Defeat Harry (as Voldemort), in the Graveyard
15 ✓ June 8th, 2011
Quiet Please!
Turn the sound and music down to 0 in the options menu whilst in the library
15 ✓ May 25th, 2011
Muggle Trouble
Defeat 10 enemies with a Muggle character
15 ✓ June 8th, 2011
Lumos Solem
Destroy 50 Devil's Snare plants
15 ✓ May 11th, 2011
Quick Quidditch
Complete the Quidditch level within five minutes
15 ✓ June 8th, 2011
Ghostly Treasure
Collect 500 ghost studs
15 ✓ April 22nd, 2011
Dark Wizards
Buy every version of Voldemort (Quirrell/Tom Riddle/Voldemort) (Single Player Only)
10 ✓ June 8th, 2011
Quidditch Team
Buy the entire Gryffindor Quidditch team from Book One (Single Player Only)
10 ✓ May 17th, 2011
Back in Time
Use the Time-Turner
10 ✓ May 5th, 2011
Good Dog
Defeat 20 enemies with Fang
10 ✓ May 5th, 2011
Wonderful Weasleys
Buy the entire Weasley family (Single Player Only)
10 ✓ May 30th, 2011
Multiplier
Collect 10 million studs in one level (Single Player Only)
10 ✓ May 11th, 2011
Arachnophobic
Defeat 20 spiders with Ron
10 ✓ April 28th, 2011
Chilled out
Freeze 20 characters using Glacius
10 ✓ June 8th, 2011
Boo!
Scare 20 students using a ghost character
10 ✓ May 17th, 2011
Animagus
Unlock all Animagi (Single Player Only)
10 ✓ June 8th, 2011