Extreme Killer Sudoku · Puzzles by M. J. Bailey
Extreme Killer Sudoku 1
150 puzzles. Expert and beyond.
No starting digits at all: just cages and their totals. Sudoku rules, plus arithmetic, plus a lot of nerve.
- 150 killer sudoku, one per page
- Only the hardest levels, in rising order
- Exactly one solution each, reachable by logic alone
- Every solution has a QR code to an animated step-by-step walkthrough
Every solution has a QR code to its own step-by-step walkthrough. See a sample.
