: The game often fails to advance stages because it cannot save files correctly to the "Documents" folder, especially if it is synced with OneDrive .
* HOME. * DLC. NARITA. NAGOYA. OSAKA. NEW CHITOSE. NAHA. * FAQ. * TO STEAM. 株式会社テクノブレイン I am an Air Traffic Controller 4 on Steam I.am.an.Air.Traffic.Controller.4.rar
For a safe and fully functional experience, you can find the official game and its DLCs on major digital storefronts: : The game often fails to advance stages