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.
- Commercial Usage
Free commercial usage is no longer allowed (29th January 2017). Please contact us to discuss your requirements.
- Personal Usage
For personal (non-commercial) 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 a BrainBashers print option, as this will ensure the copyright is displayed.
- Free Newsletter Usage
Non-commercial publications may use our Sudoku without charge. A maximum of 5 Sudoku per month may be used and no single print run may use more than one BrainBashers Sudoku. You must use the BrainBashers 'Newsletter Print', as this will ensure the copyright is correctly displayed.
- 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.
We reserve the right to change our policies on material usage without warning or discussion, and those changes come in to effect immediately.
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 11 years and 6 months since Sudoku first appeared on BrainBashers.