
The PSP and NDS versions aren't a direct, step-by-step retelling of the film but instead immerse players in a broader world of the franchise, featuring numerous characters and missions that aren't directly tied to the main plot. The story progresses through cutscenes, expanding the narrative. At Hogwarts, Harry, the only character the player controls, must complete various tasks for other students, such as stopping bullies, gathering ingredients, or even retrieving Luna's missing belongings. Players can freely explore the castle, with quests activated either through cutscenes or by interacting with other characters. These missions are recorded in a Remembrall log, where names and characters can be highlighted to show their positions on the map.
| NDS | June 30, 2009 |
| PSP | June 30, 2009 |