Sum Tens
Drag a rectangle on the 10×10 grid. If the numbers add to 10, they clear. Faster clears score higher.
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Rules
- Board is 10×10 with digits 1–9.
- Drag any rectangle. If the live cells sum to exactly 10, they clear.
- Timer starts on your first successful clear.
- When no sum-10 rectangle remains, the run ends and stars are awarded.
Score
Base = cleared cells × 10. Multiplier falls from 1.5 toward 0.5 over about two minutes. Stars at 400 / 600 / 800.
FAQ
Empty cells in a selection?
Cleared cells count as 0. The sum still has to hit 10, and at least one live cell must be inside the rectangle.
Hints?
Three per run. Hint highlights one valid rectangle briefly.