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