Free Play
Terrace Logic
★★★★☆
- Normal sudoku rules apply: fill every row, column, and 3×3 box with 1–9.
- Digits on a between-line fall strictly between the digits in its two end circles.
- On cyan lines, each 3×3-box segment of the line sums to the same total.
- Every three consecutive cells on a line contain one low (1–3), one middle (4–6), and one high (7–9) digit.