Sudoku game in terminal.
Start a sudoku game
nudoku
Choose the difficulty of the game
nudoku -d easy|normal|hard
Navigate the board
<h>|<j>|<k>|<l>|<ArrowKeys>
Delete a number
<Backspace>|<x>
Get a hint
<H>
See the complete solution
<S>
Create a new puzzle
<N>
Quit the game
<Q>