Free Sudoku Usage
A link to each Sudoku image can be found on the Sudoku Assistant page, underneath the Sudoku. The interactive version of BrainBashers Sudoku may not be used elsewhere.
- General Usage
You may freely print off as many copies of any of the Sudoku as you like for your own usage, your friends, your students, etc. You must use the BrainBashers print option, as this will ensure the copyright is displayed. As thanks, we'd appreciate a postcard with your name, quick message and general location sent to the address below.
- Sudoku In Print
A maximum of two Sudoku per day may be freely printed in any free or commercial publication (i.e. no individual print run may use more than two BrainBashers Sudoku). We require recognition of copyright and the following MUST appear underneath every Sudoku (and solution):
© Kevin Stone [www.brainbashers.com]
On every Sudoku page there is a print option that has both the Sudoku and its answer in a format more suitable for printing. Once the Sudoku are printed, we ask that a copy of the first publication that features BrainBashers Sudoku be sent to the address below.
- Internet Sudoku
You may use up to 20 static Sudoku images but the images must be hyper-linked back to www.brainbashers.com and you must clearly display our copyright. As thanks, we ask that you send us a postcard with your name, quick message and general location to the address below. Also, please let us know the page that contains BrainBashers Sudoku.
c/o 57 Albert Street
Larger scale, or specific commercial, requirements can easily be met, for more details, please contact us.
No rights are transferred as a result of this agreement. All rights reserved. Use of BrainBashers Sudoku is subject to the site's terms and conditions, noting particularly your requirement to double check the answers for yourself. Rigorous tests are performed on every Sudoku and so far no mistakes have ever been found in the 10 years and 9 months since Sudoku first appeared on BrainBashers.