LEGO Harry Potter: Years 1–4 is an action-adventure puzzle game developed by Traveller’s Tales and published by Warner Bros. Interactive Entertainment, released for PlayStation 3 on June 29, 2010. The game adapts the first four books and films of the Harry Potter series into a humorous LEGO-themed adventure. Players control Harry, Ron, Hermione, and other characters, using spells, puzzle-solving, and platforming skills to navigate iconic locations such as Hogwarts, Diagon Alley, and the Forbidden Forest. The game features cooperative gameplay, unlockable characters, and collectible LEGO studs, offering a family-friendly experience filled with charm, humor, and creative LEGO-style reinterpretations of the beloved wizarding world.