Sudoku Dragon Program Update 25

Version 4.0 Build 25 - Many new features and enhancements

Here is the detailed technical list of changes that has been made to Sudoku Dragon since the last update.

Release date 30th July 2009.

It contains the following new features :

Support Mirror and Rotational symmetry of revealed squares
Support diagonal stripe (X-Sudoku) puzzle types
Support Word Puzzles (hidden nine letter word)
Support Jigsaw or Squiggle Puzzles (regions are not rectangular)
Combined panel pane with allocations, possibilities and square details
Spot/explain and use forced allocation knock-on effects (e.g. exclusions leading to single possibility)
Support alternate pair analysis
Support user coloring of squares
Option to highlight 'alternate' pairs
Hide tentative possibilities (when other possibility selected)
New exclusion analysis makes use of spotting the stripe
Support background image for unallocated squares in grid

It contains the following enhancements to existing functionality :

Auto advance to next square when filling in a puzzle
Easier to buy after trial expiration
Support multi-select of displayed possibilities
Make re-installed purchased version clearer
Easier to pick up purchase code (when no response code lost)
Use status bar message for current square details
Make the league scores specific to current user
Some hint messages now automatically close
Display transition effect when squares are allocated
Distinguish 'single possibility' rule from 'only choice' rule
Allow selection of font for print puzzle title
Support multiple selection of squares (setting possibilities)
Updated and new tutorials
Check for program updates less frequently
Improved print layout
Improved sound effects
Additional 'very challenging' difficulty level
The default storage folder moved to current user's documents rather than application data
When show all possibilities do not highlight allocated squares

It contains the following fault fixes: