It's triggered via a combination of in-game settings, made up with help from an auto-detection system when you first launch the game (this can be referenced or tweaked from the settings menu). Its Min Spec Mode lets people using older and lower-powered machines play the game, Microsoft said. It was developed by Microsoft-owned studio World's Edge and Sega-owned studio Relic Entertainment (Company of Heroes, Dawn of War). The PC real-time strategy game, which launches this week, is the first brand-new Age of Empires game in 16 years. Microsoft has explained why it created a 'Min Spec Mode' for Age of Empires 4.