weird castle
02044684 00000000
d2000000 00000000

replace trees with towers
1210443a 00000031
d2000000 00000000

replace coins with warp pipes
12104432 0000012a
d2000000 00000000

Hold L+R for Clone
94000130 FCFF0000
02098864 00000004
D2000000 00000000
Press the button combo when going through a door or painting. You cannot get clones inside the castle, the game will freeze. You can add more or less clones by changing the "00000004" into any number of your choice, but don't go too high.

Test Map
020988a4 00000000

L+B for Koopa Shell
94000130 01fd0000
0217fa28 02107424
d2000000 00000000

Night Shading
0204ca58 00000000
d2000000 00000000
020591f0 00000000
d2000000 00000000
02043601 00000000
d2000000 00000000
020592a0 00000000
d2000000 00000000