The Halloween “Danger” example was done with:
Phantom Fingers font found at:
https://www.1001fonts.com/phantom-fingers-font.html

Note that the Fill function requires the development release of OpenSCAD
https://openscad.org/downloads.html#snapshots

The profile here uses AMS and doesn't use a prime tower since there are no color changes outside of the layer change at the base/backplate.