Controls

Primary actions

Action	Example	Keybind 1	Keybind 2
Add/remove Fill to cell		Left mouse click Left mouse click	F
Add/remove Flag to cell		Right mouse click Right mouse click	D

Note: Puzzle Zap nonograms automatically finish when correctly completed. All cells must be filled or flagged to finish (no cells can be left empty).

Helper actions

Action	Example	Keybind	Usage
Temporary Mark 1		S + Left mouse click S + Left mouse click	Add/remove a temporary marker to the top-left of a cell. Useful for visualizing how hints can fit. Can only be placed on a single line at a time.
Temporary Mark 2		S + Right mouse click S + Right mouse click	Add/remove a temporary marker to the bottom-right of a cell. Useful for visualizing how hints can fit. Can only be placed on a single line at a time.
Clear Temporary Marks		A	Clear all temporary marks from the grid.
Row Highlight	1,2	R + Mouse over row R + Mouse over row	Add/remove highlight a row hint to remember to check back on that row later.
Column Highlight	1 2	C + Mouse over column C + Mouse over column	Add/remove highlight a column hint to remember to check back on that row later.