New Tectonic puzzle
Fill every outlined region with the numbers from 1 to its size. Equal numbers never touch, not even at a corner.
Size
A 6×6 board: a shorter puzzle.
Difficulty
Every step is a single: the one number a cell can take, or the one cell left for a number.
Play style
No timer or mistake count.
These choices apply to new puzzles. Puzzles in progress keep their own.