Sub-account holder will not be able to play that Playstation 3 format game on the Playstation Network because of the parental control settings Master Account had placed on sub-account. However, your Sub-account holder may still be able to play the Playstation 3 format game offline or online when he is not on the Playstation Network if you did not set the parental control settings on the Playstation 3 system unit to restrict game content to be age appropriate for Sub-account holder.