Samurai sudoku puzzles consist of five overlapping sudoku grids. The standard sudoku rules apply to each 9 x 9 grid. Place digits from 1 to 9 in each empty cell. Every row, every column, and every 3 x 3 box should contain one of each digit.
The puzzles on Samurai Sudoku have one unique solution which can be found with pure logic, no guessing required.
Learn more about sudoku samurai and other sudoku variants at Wikipedia Sudoku
Our Sudoku Archive has many graded puzzles. All the puzzle designs on this site have been created by hand, not computer.
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Warning: Many third-party sites bundle WinQSB with adware or outdated versions. Always download from academic or trusted repositories.
Solution:
| Source | Safety Rating | Notes |
|--------|---------------|-------|
| Your University’s LMS (Blackboard, Moodle, Canvas) | ✅ Safest | Often includes pre-patched versions |
| Professor’s website (e.g., .edu domains) | ✅ Safe | Look for winqsb_setup.exe or winqsb.zip |
| Archive.org (Wayback Machine) | ⚠️ Moderate | Verify file hash before running |
| WinQSB Download from Chang (California State Poly) | ✅ Trusted | Direct .exe from educational mirror | download winqsb windows 7 64 bit
Avoid: Softonic, CNET Download, Uptodown – these add installers that bundle toolbars. Warning: Many third-party sites bundle WinQSB with adware
Direct download example (educational mirror – always verify current link):
Search for"WinQSB" site:calstatela.eduor use the classic file:winqsb.exe(approx 3.5 MB). Solution: After installation, you must adjust settings for
Solution:
After installation, you must adjust settings for each WinQSB program (e.g., LP-ILP.exe, Transportation.exe):