Lets Play Sudoku

Welcome to "Let's Play Sudoku," a free web application for accessing and playing free Sudoku puzzles.

This project was made possible via the following technologies:

Current features:

Gameplay features:

• Input numbers using keystrokes or screen interface to allow easy use for both desktop and mobile users
• Pencil mode: allows users to add notes for possible values to a square
• Auto-fill pencil marks: Clicking the auto-fill button places all of the appropriate penciled in numbers automatically
• Duplicate number flagging
• Square highlights: clicking a square highlights it as well as the columns, rows, unit boxes (9 squares) it's a part of for easier number comparison
• Completed puzzle verification

User features:

• User sign-up and login
• Sessions allow users to automatically log in after first sign-up and/or subsequent logins
• Save progress made on puzzles so users can resume later
• Guest mode, for those who want to play without signing in (can't save in guest mode)

Future features:

• Choose puzzle based on difficulty and/or techniques required to solve
• Ask for a hint: will highlight numbers that will lead to next definitive number to enter
• Tutorials for each solution technique

Resources and credits:

Icons for the application were sourced from the following websites:

• Sudoku icons created by Freepik - Flaticon
• Bootstraps Icons