so I found out a hack that in world 4 (the boss fight) when you get to the point when she turns to a shell GET ON-TOP of her shell an let the 1-ups come to you

To unlock Miku in CTGP-7 (For those who's still having trouble), You need to find this in Miku's Birthday course, and just blow the Microphone until you get a unlock pop-up. Be aware after this, this Miku statue WILL disappear after this.

WHERE is neo bowser citys blue coin i cannot for the life of me find it

Desert ruins zone 1 is really hard on 3DS.

The Wii U version is better than the 3DS. (screenshot from 3DS)

Each version of this game is different: The Wii U version is the original, with SM3DW levels; the 3DS version has 3D Effects; and the Nintendo Switch version has a 2 player update and dlc packs.