Welcome to Magnum Opus.
Magnum Opus is a program which you can use to create all of the word, number and logic puzzles included in the following:-

Standard Crosswords
Freeform Crosswords
Acrostics
Akari
Codeword
Domino
Doublet
Fillin
Fillomino
Futoshiki
Gokigen
Kakuro
Ladderword
Kendoku
Minesweeper
Letterdrop
Pyramidword
Roundabouts
Sikaku
Sixpack
Slitherlink
Sudoku
Tatami
Tents
Wordsearch
  • Automatic construction applies to all puzzles, and in some cases you can also use manual construction.
  • Solve the puzzles interactively using the integrated Solve functions.
  • Print the puzzles directly to the printer, or to PDF files.
  • Export the puzzles to graphics files having the following formats BMP : GIF : JPG : PNG
  • Export the puzzles to the system Clipboard ready for pasting into your preferred WP or DTP application.
  • Six of the puzzle types can be exported to Web Application files which allow you to publish your puzzles interactively on your web site.
  • Magnum Opus is free. No payment is required.
 LEARN MORE 

Use this link to download a FREE copy of Magnum Opus.
Magnum Opus Version : 20140822
 Go to the Download Page 
 to get your free copy NOW! 

Solve Interactive puzzles Online ... New puzzles every day.
Click a graphic to start solving.
 Crossword 
Solving this puzzle each day is the guaranteed way of expanding your vocabulary.
 Crossquiz 
Much more than a crossword! All of the clues are challenging quiz questions. A convenient Google search facility is provided to help you with those difficult clues.
 Akari 
Generate and solve your own Akari puzzles in your choice of four difficulty levels.
 Gokigen 
Generate and solve your own Gokigen puzzles in your choice of six difficulty levels.
 Minesweeper 
Generate and solve your own Minesweeper puzzles in your choice of four difficulty levels.
 Sudoku 
Generate and solve your own Sudoku puzzles in your choice of eleven difficulty levels.
 Wordsearch 
The words in each of these puzzles follow a particular theme. When you have completed the solution, there will be a few letters left over which spell out the theme of the puzzle.
Please note:-
  • These puzzles will operate on iPad and most other mobile devices.
  • All of these Web Applications can be exported by Magnum Opus, giving you the opportunity of publishing any or all of these interactive puzzles on your own web site.
  • All puzzles are equipped with a Help button. If any of the puzzles are unfamiliar to you, the Help should explain everything.
  • You can build all of these puzzles (and many others) using Magnum Opus.