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