Microsoft's free-to-play MMORTS Age of Empires Online now available at Steam and AOE fans have one more option to get access to the game. To celebrate the launch at Steam, Age of Empires Online's premium Civilization Pack is 50% off. Interested players can check out the official website to download the game (Games for Windows account is needed).

Age of Empires Online takes players to the battles among several great ancient civilizations: Greeks, Egyptians, Persians, and Celts. Playing as the ruler of a civilization, players will try to strengthen their economy, improve their technologies, and expand their countries' influence across the Mediterranean through quests. The game can be played in co-op or player vs. player mode.

Age of Empires Online is preparing for Spring Update at the moment and this update features lots of gameplay improvements including hundreds of bug fixes and new multiplayer contents. You can check out the developer blog to learn more details.

