Lego Harry Potter: Years 1-4

Strategy Guide/Walkthrough/FAQ


Cheat mode

Once the Leaky Cauldron hub area is unlocked, enter Wiseacres Wizarding Supplies in Diagon Alley before starting actual game play. Go upstairs, talk to the vendor, and enter one of the following codes to activate the corresponding cheat function:

Carrot WandsAUC8EH
Character StudsH27KGC
Character Token DetectorHA79V8
Extra HeartsJ9U6Z9
Fall RescueZEX7MV
Fast DigZ9BFAD
Fast MagicFA3GQA
Gold Brick Detector84QNQN
Hogwarts Crest DetectorTTMC6D
Ice RinkF88VUW
Red Brick Detector7AD7HE
Regenerate Hearts89ML2W
Score x274YKR7
Score x4J3WHNK
Score x6XK9ANE
Score x8HUFV2H
Score x10H8X69Y
Singing MandrakeBMEU6X
Stud Magnet67FKWZ
Super StrengthAKTR38
Gold Brick 1QE4VC7
Gold Brick 2FY8H97
Gold Brick 33MQT4P
Gold Brick 4PQPM7Z
Gold Brick 5ZY2CPA
Gold Brick 63GMTP6
Gold Brick 7XY6VYZ
Gold Brick 8TUNC4W
Gold Brick 9EJ42Q6
Gold Brick 10GFJCV9
Gold Brick 11DZCY6G
Engorgio SkullusCD4JLX
Locomotor Mortis2M2XJ6
Redactum SkullusUW8LRH
Slugulus EructoU6EE8X
Trip JinxYZNRF6

Trophy room

Go to the Leaky Cauldron after you have learned Reducto, and destroy the piece by the stairs (it will flash blue). Jump down, and you will be in a room with four areas dedicated to each year. You must collect all Gold Bricks for each level to build whatever it makes. -From: Ashley Pugh

Easy Ghost Studs

Enable the "Ghost Stud" extra option. When Nearly Headless Nick is floating and not moving, stand underneath him to keep getting Ghost Studs.

Destroying red sparkling objects

To destroy objects with red sparkles around them, you must use Dark Magic. In order to use Dark Magic, you need to use the Polyjuice Potion or an evil character (for example, Barty Crouch Jr., Lord Voldemort, or Tom Riddle) in Freeplay mode. An evil characters' Wingardium Leviosa spell is changed to the Crucio Curse and can destroy the red sparkling objects.

Ron Weasley with red hair

Successfully complete the first two levels, then go to the wizard town through the Leaky Cauldron. Enter the last shop on the left (before the bank), buy the "Multicorfors" spell, and cast it on Ron Weasley. Although he will shake his head as if the spell has worn off, his hair will remain red.


Successfully complete one of the following tasks to get a trophy:

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