I did some fiddling, and it looks like the only modifications to the .it that affect the game are tempo, and pattern transitions. If you want to make the game harder, just increase the tempo
![:P2 :P2](https://nifflas.lp1.nl/Smileys/Niffpack/tongue2.gif)
EDIT: I am about to upload a video of this amusing phenomenon, because... Well, because I can.
EDIT2:
Here we go.