Straight Sudoku

Billions of unique puzzles created from scratch in real time. Game levels between 17 - 80. Each level corresponds to the number of given numbers (clues). Game levels 17 -26 with four additional choices, "Easier", "Easy", "Hard" and "Harder". Local Challenge. Play the same game against peers in real time. Undo/Redo. Hints. Check for incorrect input. Path tracking/subnotes on cell input. Save and reload puzzles. Autosave on Exit. View/Reset statistics for each gaming level. Normal games, random games and games with cross-diagonal solutions, 9 rows by 9 columns + 2 diagonal. All non-Random games are 'one solution' games. Support for iPad keyboards - Magic & Smart and external Magic keyboards.Most functions can now be performed with keyboard input. Keep the input keypad visible during the game.