Game Dev Story Achievements Here is the full list of all 6 Game Dev Story achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 6 Offline Mode 6 Single Player Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply The company that Kairobot works !Proof of hiring Kairobot. What a great game company.Proof of running a company for many years. Global Game Awards winner ! !Proof of winning the Global Game Awards. Dream of million hit just came true.Proof that 1 million copies were sold. All good Job.Proof of mastering all occupations. Just started a game company.Proof of developing the first game.