The cake is a lie!!
How the hell do you get the achievement with the picture of a piece of cake on it?
Google translated - Reward
Short won . Ⅱ X mode only .
Or the one for getting a magic item - Witch
Get a magic item . Either Ⅱ X Arcade .
And finally - I downloaded the music pack dlc that came with the game, but I can't figure out how to use it.