The German mobile games company InnoGames ' Forge of Empires has officially surpassed €1 billion ($1.1 billion) in lifetime revenue with more than 130 million players registered around the world. A free-to-play strategy game, Forge of Empires has its largest markets in the USA, its home country Germany, and France. The company itself surpassed $1 billion in lifetime revenue back in 2019, hav...