A new special collection of totally CRAZY LOCO Sudoku puzzles!

A LOCO Sudoku consists of 2 or more (up to 10!) overlapping sudoku variants puzzles and each of the puzzles has its own, DIFFERENT rules, yet they all...

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A new special collection of totally CRAZY LOCO Sudoku puzzles!

A LOCO Sudoku consists of 2 or more (up to 10!) overlapping sudoku variants puzzles and each of the puzzles has its own, DIFFERENT rules, yet they all join together to make one complete puzzle with a unique solution.

Most puzzles are in SAMURAI sudoku format.

The constituent puzzles can be any of the following variants:

  • jigsaw sudoku
  • jigsaw combination sudoku
  • diagonal sudoku
  • consecutive sudoku
  • non-consecutive sudoku
  • odd-even sudoku
  • greater-less sudoku
  • hyper windoku
  • killer sudoku
  • frame sudoku
  • outside sudoku


If you like sudoku variants, this is the ultimate challenge!

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