is the successor to the programs The Daily Crossword
(a PC-DOS program current from 1992 to 1994)
and Crossword Express
(a program with versions for Windows and Apple Macintosh, current from 1994 to 2009).
It has many features which were not present in the earlier programs, and the following movie goes some way toward showing what those features
are. Click the start triangle which appears at the bottom left of the picture.
If you would like more information on any of the puzzle types referred to in the preceding video, you can use the following table of links.
Each link leads to a short tutorial video which shows the steps required to build that type of puzzle:-
Magnum Opus is written in the popular Java language which results in two significant advantages:-