Harry Potter And The Half-Blood Prince - Platform: XBox 360

Achievements:
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Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

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