Age of Empires Online (abbreviated AoEO), is a history-based real-time strategy computer game based upon the gameplay of the Age of Empires series. Age of Empires Online adds new social interaction, customization, and MMORPG gameplay in an evolving and persistent world. Play co-operatively or competitively, craft and trade items, and level up by completing quests – all for free! Plus, Age of Empires Online still offers all the classic RTS gameplay, empowering players to build mighty empires, manage resources, earn rewards, and battle their way into rich new worlds full of lively villagers, epic warriors, and historically-themed architecture.