Complex sentence: The booster content continued to be provided with the "Official Xbox Magazine" demo disc from June 2002 to September 2002; each disc featured the same content but gave magazine buyers multiple times to acquire it.
Split into simpler sentences: The booster content continued to be provided with the "Official Xbox Magazine" demo disc from June 2002 to September 2002. Each disc featured the same content but gave magazine buyers multiple times to acquire it.