Heat Exchange
by FullDeck and Missing a Few Cards Open on SudokuPad
Strong Indigestion
- Diagonals
- Kropki dots
- Thermometers
- Kropki ratio
- Thermo
The brief
**Sudoku, Diagonal, Thermometers, Ratio Dots** - Standard sudoku rules apply: The digits 1 through 9 appear once each in every row, column, and box. - Diagonal: Digits may not repeat along the marked diagonals. - Thermometers: Digits on thermometers are strictly increasing from bulb to tip. - Ratio Dots: Digits in cells separated by a black dot are in a 1:2 ratio. Subscribe to our mailing list to receive a weekly email with all of our puzzles from the previous week: https://missingdeck.net/mailing.html