An exemplary method includes a media player device (“device”) providing a user with an immersive virtual reality experience in accordance with a specification file corresponding to the immersive virtual reality experience. The specification file includes data that defines a plurality of elements included in the immersive virtual reality experience by providing a plurality of links for use by the device in acquiring the plurality of elements while providing the user with the immersive virtual reality experience. The method further includes the device detecting, while the immersive virtual reality experience is being provided to the user, real-world input associated with the user, and integrating the real-world input into the immersive virtual reality experience by updating the specification file to further include data that defines the real-world input as a user-specific element that is specific to the user and that is included in the immersive virtual reality experience.