Level select -
Enable the "harrydebugmodeon" code, then return to the main menu.

Cheat Codes -
While playing a game, enter one of the following codes to activate the 
corresponding cheat function:

Result - Cheat Code
Debug mode; press [F7] to disable - harrydebugmodeon 
Restores health - harrygetsfullhealth 
Super jumps - harrysuperjump 
Big jumps - harrynormaljump 
15 beans - harrytriggercheat 
Unknown - harrykoresh 
Unknown - harrysuperkoresh 
Unknown - harrykorwalk 

Bertie Bott Beans -
Collect the following amount of Bertie Bott beans to unlock an item behind a 
portrait at Hogwarts:

50 Yellow Beans: Nimbus Two Thousand 
70 Blue Beans : Glove for Quidditch 
80 Green Beans: Card 
100 Red Beans: Advanced Flipendo