Would you believe that all the background graphics of the FACTORY zone are made of just those few little black&white blocks shown at the top?

And how about the TOWERS zone graphics?

The FUN PARK zone uses 2 charsets to both mimic the QUOD INIT EXIT (the first game) graphics and to provide new graphics:

The QUOD INIT EXIT IIm blocks have been refined to produce even more stunning graphics for the CLIFFS zone of QUOD INIT EXIT  IIo:

Finally, these are the blocks that bring the FORTRESS zone to life: