Ok guys, I have an update on this issue. As I kept populating sprites into my world -I was happily grouping sprites into their own Containers, and some times Particle Containers. Having done lots of testing I was getting very strange behaviours, mainly the groups of sprites not rendering.  After taking the time to restructure my stage child structure I have condensed all of my Particle Containers into 1 and converted some of the other ones into standard Containers. Now everything i