An exemplary system generates a plurality of different content files each including data representative of content of a virtual reality world, and provides the plurality of different content files to a media player device via a network. In particular, the generated and provided plurality of different content files comprises at least one of a plurality of uniform-resolution content files and a plurality of mixed-resolution content files. The plurality of uniform-resolution content files are each associated with a different respective center point within the virtual reality world. The plurality of mixed-resolution content files each correspond to one respective content sector of a plurality of partially overlapping content sectors that together form a view of the virtual reality world associated with a single center point, the one respective content sector being encoded in a high resolution while a remainder of the content sectors are encoded in a low resolution.