Nudoku is a command line tool for playing Sudoku puzzles on your terminal. It is written in C and is compatible with Unix-like operating systems. Nudoku allows you to solve puzzles interactively or use it to generate new puzzles. It has a simple and user-friendly interface, making it easy to navigate through the puzzles. The tool displays the Sudoku grid and lets you enter numbers to fill in the empty cells. It provides various commands to assist you, such as checking for mistakes, solving a puzzle step by step, or revealing the solution. Nudoku also supports different difficulty levels, so you can choose the complexity that suits your preferences. In addition to solving puzzles, you can generate new ones with different sizes and difficulty options. The tool is lightweight and fast, ensuring smooth and efficient gameplay. Nudoku is an excellent choice for Sudoku enthusiasts who prefer a command line interface for their puzzle-solving needs.