Rules
Standard Sudoku rules apply.
Pentomic Renban: The grid is populated with a number of "Exploding Pentominoes." These each represent a non-repeating set of five consecutive digits in any order, one per box in the cells corresponding to the shape and orientation of the pentomino, and its position within a cell, without any rotation or reflection.
Play Online
SudokuPad (with solution checking) or Penpa
Illustration of Exploding Pentominoes
The five cells of the Pentomic Renban Set defined by each Exploding Pentomino occupy the same position in each 3x3 box.
Puzzle Series
Solution code: row 9, column 9
on 11. February 2026, 16:33 by psams
I just solved this from scratch on SudokuPad, and enjoyed retracing my old logic - thanks 5 1/2 years ago self!
on 11. February 2026, 05:39 by psams
Added SudokuPad version
on 2. September 2020, 07:59 by bosjo
Another great puzzle! This felt more difficult than the earlier examples, so if you are new to this idea, you might prefer to start there.
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