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