Harry Potter and the Order of the Phoenix is an action-adventure video game based on the fifth installment of the Harry Potter series by J.K. Rowling. Released in 2007 to coincide with the film adaptation, the game allows players to explore Hogwarts School of Witchcraft and Wizardry as Harry Potter. Players can discover the expansive castle, interact with characters, complete various quests, and use magic to advance the story. The game emphasizes exploration, spell-casting, and puzzle-solving aligned with the DS's unique capabilities.