Here are some free sudoku puzzles, which are found on the Internet .

You can print them..

Krazy dad is a cool website and has plenty of free sudoku puzzles. You can print off and enjoy when you have some idle time.

PDF Padhas free sudoku puzzles of every level right from beginner level.Print off and enjoy. The brainteasers on this site are on pdf files.So you can download it , open it in pdf reader and print them.

Printsudokualso has lots of free sudoku puzzles at every skill level, and this site is pdf files. You can either take print outs or consider playing online, and challenge your brain.

Includes a daily brainteaser, and you can click a button to show the solution which is great in-case you are stuck in the middle of the game.

Sudokupark is a superb site where you get huge collection of free sudoku puzzles to enjoy . This is the biggest online source for this type of brainteaser. There is a nice simply help section on how to solve there, and check out the live sudoku solving puzzle.

Sudoweb allows for both online play and print off free sudoku puzzles at five different skill levels. There is also a free download of an e-book with more brainteasers for you to try. When you load the site , game will begin.

You could also print off a few copies of the same puzzle and have a competition to see who is done faster it is fast friendly competition. Free sudoku puzzles that you print off can be completed as you get free time.