Been working on this for the last couple days, decided to compile some screenshots.

Entrance to the Tower
'
Bottom of the Tower (wrapping level, that's why there's 4 bullets not 2)

Moving platforms!

Airships! (On Mario's side this time!)

This is as far as I have gotten so far

Entrance to the Tower

Bottom of the Tower (wrapping level, that's why there's 4 bullets not 2)

Moving platforms!

Airships! (On Mario's side this time!)

This is as far as I have gotten so far
thx to e r i k for layout