Complete each achievement to get the allotted gamerscore.
| Unlockable: | How to unlock: |
| Grime Buster (10) | Clean up after Fred and George at The Burrow |
| Used the Pensieve (10) | View Dumbledore's first memory of Tom Riddle in the Pensieve |
| Quidditch Captain (10) | Assemble the Gryffindor Quidditch Team |
| Great Party (10) | Create a great Christmas party for Slughorn |
| Good Deed (20) | Help the student retrieve her stolen Gobstone |
| Great Mate (20) | Help Ron avoid Lavender |
| Hidden the Book (20) | Hide the Half-Blood Prince's Potions Book |
| Portrait Novice (10) | Use your first portrait shortcut |
| Portrait Pro (20) | Use all of the portrait shortcuts |
| Adventure completed (100) | Conclude the adventure |
| Crest Collector 1 (10) | Complete Crest Collector Level 1 |
| Crest Collector 2 (10) | Complete Crest Collector Level 2 |
| Crest Collector 3 (10) | Complete Crest Collector Level 3 |
| Crest Collector 4 (10) | Complete Crest Collector Level 4 |
| Crest Collector 5 (20) | Complete Crest Collector Level 5 |
| Crest Collector 6 (20) | Complete Crest Collector Level 6 |
| Crest Collector 7 (20) | Complete Crest Collector Level 7 |
| Crest Collector 8 (20) | Complete Crest Collector Level 8 |
| Crest Collector 9 (30) | Complete Crest Collector Level 9 |
| Crest Collector 10 (30) | Complete Crest Collector Level 10 |
| Crest Collector 11 (30) | Complete Crest Collector Level 11 |
| Crest Collector 12 (40) | Complete Crest Collector Level 12 |
| Crest Collector 13 (50) | Complete Crest Collector Level 13 |
| Crest Collector 14 (60) | Complete Crest Collector Level 14 |
| Potions Beginner (10) | Earn the Potions Beginner's Luck Badge |
| Speedy Brewer Badge (10) | Earn the Speedy Brewer Badge |
| Potions Club Star (10) | Earn the Potions Club Star Badge |
| Potions Club Veteran (20) | Earn the Potions Club Veteran Badge |
| Master Potioneer (50) | Earn the Master Potioneer Badge |
| Duelling Beginner (10) | Earn the Duelling Beginner's Luck Badge |
| Reflex Badge (10) | Earn the Reflex Badge |
| Duelling Champion (10) | Earn the Duelling Club Champion Badge |
| Duelling Veteran (20) | Earn the Duelling Veteran Badge |
| Master Duellist Badge (50) | Earn the Master Duellist Badge |
| Quidditch Beginner (10) | Earn the Quidditch Beginner's Luck Badge |
| Precision Flyer Badge (10) | Earn the Precision Flyer Badge |
| Combo Flyer Badge (10) | Earn the Combo Flyer Badge |
| Keen Flyer Badge (20) | Earn the Keen Flyer Badge |
| Master of Flying (50) | Earn the Master of Flying Badge |
| Burrow Defender (20) | Successfully protected The Burrow |
| Mystery Solved (20) | Retrieved Slughorn's missing memory |
| Quidditch Champion (30) | Won the Quidditch Cup |
| Escaped the Cave (40) | Escaped the Cave |
