CTC12×9mellowrobinson
mellowrobinson has 7 puzzles in the Variant Sudoku catalog, most often with Irregular, Killer and Cave Count. 3 were solved on Cracking the Cryptic. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here73 are 9×8
First puzzle2025Chaos Construc-to-N
Latest puzzleAug 2026Cube Chaos
Logic Masters solves397Average rating 99%. Also 3 on CTC
On Variant Sudoku
Favourite rules
Puzzles by mellowrobinson
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
CTC12×9
CTC9×8
LMRegion Sum & Quadruples Chaos
LMHeyawake Chaos
LM15×14DDDDoppelgänger
LM9×8jolly green giant, his arms folded
CTC9×8Is this you? Claim this page: tell us where we can confirm it’s you, and we’ll link it to you. You can also send a correction or have your puzzles taken out of the catalog.Claim this pageEmail us