Harry Potter and the Order of the Phoenix immerses players in a 3D adventure where they take on the role of Harry Potter during his challenging fifth year at Hogwarts. Players will encounter various obstacles, including the oppressive Professor Dolores Umbridge, while they work to establish Dumbledore's Army and prepare for confrontations with Voldemort. The game features a rich environment to explore, filled with spells to learn, puzzles to solve, and traps to avoid, enhancing the overall gameplay experience.

In addition to navigating the iconic Hogwarts castle, players can experience gameplay from the perspectives of beloved characters such as the Weasley brothers, Sirius Black, and even Dumbledore. Notably, the Wii version of the game offers a unique control mechanism, allowing players to use the Wiimote as Harry's wand for spell-casting, adding a new dimension to the gameplay. This installment successfully brings the magical world of Harry Potter to life, providing a captivating experience for fans.