0.5 star
Normal sudoku rules apply. Place the digits 1-6 once each in every row, column, and 2x3 box.
Killer: digits inside a caged region must not repeat and sum to the total shown in the corner.
Thermometer: digits must strictly increase along each thermometer, starting from the bulb.
Kropki: digits separated by a black dot are in a 1:2 ratio (i.e. one digit is double the other). Not all dots are necessarily given.
Cells connected by an X sum to 10. Cells connected by a V sum to 5. Not all Xs and Vs are given.
Solve in VariantDoku (iOS) or on SudokuPad.
Solution code: Enter the digits of row 5.
on 1. July 2026, 02:11 by RussKozerski
I'm not using pencil marks, nor numbers at all. Instead I'll be filling the grid with pictures of cats. Though it does make it a bit harder to enter the solution code.
on 30. June 2026, 12:13 by rojspencer
I'm comfortable with my use of pencil marks.
Fun puzzle.
on 29. June 2026, 14:49 by Brandy New
For this puzzle, pencilmarks could be considered cheating :)
on 29. June 2026, 13:14 by GorgeousNicko
I enjoyed this one (particularly with my self-imposed 'no pencilmarks' challenge).
But the solution code seems inappropriate. I completed row 5 with half the puzzle still to solve!