When I click on the marble maze, Cortus asks me if I'd like to play, but saying yes doesn't open the game.

Hi! Doing a little achievement hunting and there's one for piano notes, but I've finished the game and cannot for the life of me remembering seeing a piano anywhere? It's drum's galore out here tho

Mainly, Destroying all the traps, Freeing the baby dragons, and Completing all the quests Collecting all cards might be bugged, I still couldn't get Gaagi and Kokorokke but that could be me missing out on something I need to do (I haven't beaten Cortus, so that could be why I don't have these cards)...

estou com dificuldade para encontrar a engrenagem para o teléferico / I'm having trouble finding the gear for the cable car :/

ok; spoiler alert, i've finished the game freed all the ghost, thom is finally at peace, I beat gaagi in the difficult mode, i've freed all the baby dragons, I've watched the sky for more than 5 minute in real time and according to the guide posted in this forum I've completed all the quests, and of course i've cleared every island of their traps, but all the achievements related to these matters remain unchecked in steam, quite a bummer ... I really enjoyed the game, once I managed to deal with the gamepl...