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Harry Potter and the Half-Blood Prince Hints & Cheats

Cheat Codes

  1. Unlock Everything

    Go to the Rewards sub-menu from the Main Menu, where you see the two choices, Badges and Credits. Using the d-pad, enter the following code to unlock Everything: Down,Left,Left,Left,Left,Left, Down,Down,Right,Down,Left

  2. Unlock Castle Gates Two-Player Dueling Pack

    Go to "Rewards" in the menu (in there you will see "Badges" and "Credits" along with how many Crests you have found) and with your D-pad enter: RRDDLRLRLR then Start. You will receive a message saying you have unlocked it.

Unlockables

  1. Achievements

    Complete each achievement to get the allotted gamerscore.
    UnlockableHow to Unlock
    Clean up after Fred and George at The BurrowGrime Buster (10)
    View Dumbledore's first memory of Tom Riddle in the PensieveUsed the Pensieve (10)
    Assemble the Gryffindor Quidditch TeamQuidditch Captain (10)
    Create a great Christmas party for SlughornGreat Party (10)
    Help the student retrieve her stolen GobstoneGood Deed (20)
    Help Ron avoid LavenderGreat Mate (20)
    Hide the Half-Blood Prince's Potions BookHidden the Book (20)
    Use your first portrait shortcutPortrait Novice (10)
    Use all of the portrait shortcutsPortrait Pro (20)
    Conclude the adventureAdventure completed (100)
    Complete Crest Collector Level 1Crest Collector 1 (10)
    Complete Crest Collector Level 2Crest Collector 2 (10)
    Complete Crest Collector Level 3Crest Collector 3 (10)
    Complete Crest Collector Level 4Crest Collector 4 (10)
    Complete Crest Collector Level 5Crest Collector 5 (20)
    Complete Crest Collector Level 6Crest Collector 6 (20)
    Complete Crest Collector Level 7Crest Collector 7 (20)
    Complete Crest Collector Level 8Crest Collector 8 (20)
    Complete Crest Collector Level 9Crest Collector 9 (30)
    Complete Crest Collector Level 10Crest Collector 10 (30)
    Complete Crest Collector Level 11Crest Collector 11 (30)
    Complete Crest Collector Level 12Crest Collector 12 (40)
    Complete Crest Collector Level 13Crest Collector 13 (50)
    Complete Crest Collector Level 14Crest Collector 14 (60)
    Earn the Potions Beginner's Luck BadgePotions Beginner (10)
    Earn the Speedy Brewer BadgeSpeedy Brewer Badge (10)
    Earn the Potions Club Star BadgePotions Club Star (10)
    Earn the Potions Club Veteran BadgePotions Club Veteran (20)
    Earn the Master Potioneer BadgeMaster Potioneer (50)
    Earn the Duelling Beginner's Luck BadgeDuelling Beginner (10)
    Earn the Reflex BadgeReflex Badge (10)
    Earn the Duelling Club Champion BadgeDuelling Champion (10)
    Earn the Duelling Veteran BadgeDuelling Veteran (20)
    Earn the Master Duellist BadgeMaster Duellist Badge (50)
    Earn the Quidditch Beginner's Luck BadgeQuidditch Beginner (10)
    Earn the Precision Flyer BadgePrecision Flyer Badge (10)
    Earn the Combo Flyer BadgeCombo Flyer Badge (10)
    Earn the Keen Flyer BadgeKeen Flyer Badge (20)
    Earn the Master of Flying BadgeMaster of Flying (50)
    Successfully protected The BurrowBurrow Defender (20)
    Retrieved Slughorn's missing memoryMystery Solved (20)
    Won the Quidditch CupQuidditch Champion (30)
    Escaped the CaveEscaped the Cave (40)

  2. Hogwarts Crest Unlockables

    Collecting so many crests around Hogwarts will unlock certain single and multi player things.
    UnlockableHow to Unlock
    Two Player Dueling Pack 1: Draco & Luna3 Hogwarts Crests
    More health in duels8 Hogwarts Crests
    Two Player Dueling Pack 2: Training Ground Dueling Arena14 Hogwarts Crests
    Dungbombs in prank boxes around Hogwarts21 Hogwarts Crests
    Two Player Dueling Pack 2: Crabbe & Goyle29 Hogwarts Crests
    Score boost in flying events38 Hogwarts Crests
    Exploding Cauldrons in prank boxes around Hogwarts48 Hogwarts Crests
    Two Player Dueling Pack 4: The Transfiguration Dueling Arena59 Hogwarts Crests
    Even More health in duels71 Hogwarts Crests
    Two Player Dueling Pack 5: Ginny & Hermione84 Hogwarts Crests
    Love Potion in Potions Club98 Hogwarts Crests
    Two Player Dueling Pack 4: Paved Courtyard Dueling Arena113 Hogwarts Crests
    More mini-crests with each cast129 Hogwarts Crests

Walkthroughs & FAQs

Type Name File Size
FAQ/Walkthrough FAQ/Walkthrough by CptAwsum 13K
Other Crest Location FAQ by KBTerrier 13K
Other Crest Location Guide by meentje85 10K

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