Hi-Rez Studios has announced that Aria Systems' A+ Billing Platform has been selected for Global Agenda to monetize this mission-based action MMORPG using Unreal Engine 3, set in a near future world of espionage and tactical covert operations. Aria Systems' A+ Billing Platform is the first and only end-to-end PCI Level 1 compliant, enterprise-class billing platform offered in a highly flexible SaaS based environment.