Knock Knock is a 5th year game developer who does his best to become a game company that contributes to the world with motto 'Easy', 'Anywhere', 'With Friends'. In 2010, we captured the hearts and minds of Korean women with the social game 'Fashion City' and accumulated know-how through the launch of next year's games. From 2013 onwards, we will turn our business into a mobile social game that will double sales in 2014 and 3 billion in 2015 It is a company that is steadily rising and achieving sales. We are aggressively expanding our business by launching several titles to meet the diverse needs of users and launching games starting from 2016 after attracting 1.6 billion won in 2H05. The goal is IPO.