Pop'n Pop, with its version numbers (2.07A, 2.07J, 2.07O), showcases the iterations and regional differences common in arcade games. The version numbers indicate software updates or variations tailored to different territories (A, J, and O likely representing different regions). These versions likely included minor gameplay adjustments, bug fixes, or other modifications to suit the various market preferences.

Pop'n Pop (Ver 2.07A 1998/02/09)

Pop Flamer (not protected)