Gentle, Teaser, Tricky, Fiendish, Diabolical

Manual puzzle composition (with optional grading)

Player can create custom puzzles or load puzzles from other sources. Once the puzzles have been composed or loaded the player can specify a grade for the puzzle or have it graded automatically.

Puzzles can be input in any format and converted and solved in any other format e.g. SHITEDOKU converted to 123...9 or ABC...I or Currencies or Dingbats etc

Unique Sudoku Dashboard

See instantly total solved and total outstanding

Summary sub-totals for each individual answer

Provides quick input into active cell by tapping desired answer (available on devices that provide stylus input)

Smart Undo/Redo

Unlimited level, accessible via menu or shortcut keys (for instant access)

Puzzle view rotation

Flip Right (i.e. turn by 90)

Invert (turn upside down i.e. by 180) and

Flip Left (i.e. turn by 270)

Puzzle view mirroring

Horizontal (mirroring between top and bottom),

Vertical (mirroring between left and right) or

Reverse (top, bottom, left and right)

Puzzle view transposition

Swaps the cell rows and columns

Puzzle relabelling

Save and load puzzles

Save a puzzle, start a new one and then go back to load a previously saved puzzle and continue exactly where you left off. The Stop Watch automatically starts where the game was originally suspended or where a snapshot was originally captured.

Clear all or partial answers and restart

Player can elect to clear answers of a specific value, incorrect answers or all answers

Solved puzzle playback with user defined delay interval between number placements

Solve (puzzles of any complexity)

Optimizing solver algorithm gives player full feedback during the solve process

Answer hints (with explanation of logic)

Send puzzle via SMS or e-Mail (with option to include solution)

Send original puzzle, partially completed puzzle or just solution

Automatically hide or display pencil marks (as answers or dots)

Zoom in or out (to improve clarity of clues, answers and pencil marks)

Automatic Stop Watch Pause/Resume

On receipt of incoming phone call (phone edition only)

Following Activation or Deactivation of another application

On receipt and acknowledgement of all notification messages during game play

Manual Stop Watch Pause/Resume

Several answer display/input formats

Classic numbers, letters, SHITEDOKU, currency symbols, dingbats, geometry, mathematical operators, symbols, music notes, colours, or any custom values (specified by the player)

Input answer in one format and solve in the same format or any other format of your choice

Screen resolution awareness

Support for the following resolutions and screen display sizes

• VGA 480x640 (portrait), 640x480 (landscape) and 480x480 (square)
• QVGA 240x320 (portrait), 320x240 (landscape) and 240x240 (square)
• 176x220 Lo-Res (portrait)

Screen orientation awareness

Automatically detects screen orientation changes and dynamically readjusts graphical user interface fully optimized for the new orientation.