There are 4 doubler cells, one in each row, column, and 2x2 box. Each doubler contains a different digit. The value of a doubler cell is equal to double the cell's digit.
Values along a slow thermometer can increase or stay the same from bulb to tip.
Solution code: Digits along the slow thermometer from bulb to tip.
on 16. February 2026, 06:25 by Macarena
It's almost 3am here, so it seemed a good idea to solve this. Thanks, cute puzzle, helped to distract me. Of course it's very easy, but it's a snack, makes sense. Interesting idea, that slow thermometer.
on 18. September 2025, 00:20 by VitP
looks harder than it looks ... but isn't
on 16. September 2025, 02:14 by CitrusGremlin
very cute puzzle
on 15. September 2025, 21:16 by Plok
Nice, Thanks
on 15. September 2025, 16:30 by Zibl
Nice snack, thank you!
| Difficulty: | ![]() |
| Rating: | 92 % |
| Solved: | 106 times |
| Observed: | 1 times |
| ID: | 000P75 |
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