Setter mode

V:To visualize solution in the Problem mode ON Panel:Panel for Shape and Number Mode OFF Border:To enter numbers/symbols on edges/corners of the grid OFF R:Ask confirmation to reload or close the page? OFF

CTRL + z CTRL + y Erase elements that belongs to the selected mode Erase problem or solution grid


Youtube tutorials & List of tutorials

Any suggestions or improvements, send an email to or create an issue here.

Insructions to use the tool here.

Some FAQs here. Changelogs here.

Penpa+ Version 2.25.6, Credits