Game data file used by the Playstation games "Dave Mirra Freestyle BMX" and "Dave Mirra Freestyle BMX 2;" contains audio and video data that is referenced during gameplay; may be opened on a PC using a third-party utility such as Game Extractor or MFAudio.

To open a ZSD file in MFAudio, set both the offset and interleave fields to 800 bytes. There should be two output channels selected and frequency should be set to 44.1 KHz. The Dave Mirra Freestyle BMX series of video games were developed by Acclaim. They were initially released for PlayStation 2 and were later ported to other platforms.