Monthly Archives: November 2019

Puzzle 190: Castle Wall

Yet another new puzzle type on – many thanks to Lennard Sprong for this and other contributions. I made this puzzle to announce the addition.


Rules Draw a loop from cell center to cell center. Black clues must be outside the loop, while white clues must be inside. Furthermore, Numbers indicate the total number of straight segments in the given direction.

Assorted compass puzzles

To celebrate the release of the compass applet, I collected some of my older compass puzzles.

Find more compass puzzles by other authors in the database or on Puzzle Square JP.