It,s made in cs 3, .it will work in any flash cs platform .it does not come whit bulet sprite in gif format. well you can download gun efect i the gun section induvidually. i recomand that you been into gif format an sprites before. it really new for me. as flash marketplace opens a door for me manage and obtain knowledge about this cool animation platform. It been half a year working on this project i loock forward to assist movie producers whit amazing effects. the consept of flash marketplace is to leave the hard work to us. while you can consentrate on the movie project to your customer in where ever country. start producing in speed of light.