- 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

- Activate Cheats
Once the Leaky Cauldron hub area is unlocked, enter Wiseacres Wizarding Supplies in Diagon Alley before begining actual game play. Go upstairs, talk to the vendor, and enter one of the following codes to obtain the corresponding effect:

Effect	Code
Gold Brick 8	TUNC4W
Gold Brick 11	DZCY6G
Silhouttes	HZBVX7
Anteoculatia	QFB6NR
Redactum Skullus	UW8LRH
Spells
Herbifors	H8FTHL
Tarentallegra	KWWQ44
Colovaria	9GJ442
Gold Brick 2	FY8H97
Score x10	H8X69Y
Red Brick Detector	7AD7HE
Stud Magnet	67FKWZ
Character Studs	H27KGC
Cheats
Multicorfors	JK6QRM
Score x2	74YKR7
Flipendo	ND2L7W
Gold Brick 5	ZY2CPA
Hogwarts Crest Detector	TTMC6D
Score x8	HUFV2H
Entomorphis	MYN3NB
Gold Brick 4	PQPM7Z
Gold Brick 6	3GMTP6
Score x6	XK9ANE
Character Token Detector	HA79V8
Invincibility	QQWC6B
Fast Magic	FA3GQA
Slugulus Eructo	U6EE8X
Trip Jinx	YZNRF6
Rictusempra	2UCA3M
Gold Brick 10	GFJCV9
Locomotor Mortis	2M2XJ6
Stupefy	UWDJ4Y
Gold Brick 3	3MQT4P
Incarcerous	YEB9Q9
Gold Brick 9	EJ42Q6
Singing Mandrake	BMEU6X
Bricks
Ice Rink	F88VUW
Gold Brick Detector	84QNQN
Score x4	J3WHNK
Calvorio	6DNR6L
Gold Brick 1	QE4VC7
Fall Rescue	ZEX7MV
Glacius	ERA9DR
Disguise	4DMK2R
Engorgio Skullus	CD4JLX
Regenerate Hearts	89ML2W
Accio	VE9VV7
Carrot Wands	AUC8EH
Extra Hearts	J9U6Z9
Gold Brick 7	XY6VYZ
Fast Dig	Z9BFAD
Christmas	T7PVVN

- 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' Be victorious ingardium Leviosa spell is changed to the Crucio Curse and can destroy the red sparkling objects.

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

10 Points
Back in Time	Use the Time-Turner.
Chilled out	Freeze 20 characters using Glacius.
Arachnophobic	Overcome 20 spiders with Ron.
Boo!	Scare 20 students using a ghost character.
Good Dog	Overcome 20 enemies with Fang.
15 Points
Lumos Solem	Destroy 50 Devil's Snare plants.
Quirrell Quandary	Overcome Quirrell in the Quirrell boss fight, using Voldemort.
Solid Snape	Hide in a barrel as Snape.
Watch Out!	Knock over ten characters using a ride-able object.
Quiet Please!	Turn the sound and music down to 0 in the options menu whilst in the library .
Quick Quidditch	Finish the Quidditch level within five minutes.
Muggle Trouble	Overcome 10 enemies with a Muggle character.
Overcomeing the Object	Overcome the mountain troll, using Quirrell.
Ghostly Treasure	Acquire 500 ghost studs.
50 Points
Senior	Finish Year Two Story Levels.
Head Boy	Finish Year Four Story Levels.
Prefect	Finish Year Three Story Levels.
Junior	Finish Year One Story Levels.
70 Points
Story Finish!	Finish the Story Levels in all four years.

- 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.

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