Ascendoku
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Diagonal Heat
0:00
✓
Info
2
8
7
6
9
9
1
5
8
9
4
7
5
4
1
3
2
6
Free Play
Diagonal Heat
★★★
☆☆
Time
0:00
Target
🎯 18:00
✓ Clean
18/81
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Sound
Rules
Normal sudoku rules apply: fill every row, column, and 3×3 box with 1–9.
Both main diagonals must also contain 1–9 with no repeats.
Along thermometers, digits strictly increase from the bulb end.
Normal
Corner
Centre
Colour
Pen
ABC
Digits
ABC
1
7
2
7
3
8
4
7
5
7
6
7
7
7
8
7
9
6
0
↶
↷
⌫
✓
💡 Reveal a cell · first one free
⏱ Fastest times
1
Player 2ca8
14:20
2
Hemlo
16:56
3
Pyppy
29:07
4
Player 81c9
51:50
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