As part of its year-long promotion to commemorate the 25th anniversary of The Legend of Zelda, Nintendo offered purchasers of The Legend of Zelda: Ocarina of Time 3D an opportunity to receive the official soundtrack CD for free. Players who registered the game by June 21, 2011 and filled out a brief survey were eligible to receive the CD, which features 50 tracks from the game as well as an orchestrated medley recorded specifically for the promotional disc.