The base game, which is advertised as free, has a store page that's missing the "Add to Library" button; so the DLC for extra content cannot be purchased!

>be me >be in a dark room >dl the game >open the game >FULL WHITE SCREEN >eyes are burning My eyes : ███████████████████████████ ███████▀▀▀░░░░░░░▀▀▀███████ ████▀░░░░░░░░░░░░░░░░░▀████ ███│░░░░░░░░░░░░░░░░░░░│███ ██▌│░░░░░░░░░░░░░░░░░░░│▐██...

Hi there, I bought the game and the DLC and completed all the maps at 100% but none of the achievements are valid. Any ideas ?