What are the key commands for playing the game?
Here’s the one’s I can think of off the top of my head… Arrow keys – move around the game Tab Key – move to next cell Shift-Tab Key – move to previous cell 1-9 – select a number for insertion Space – insert/remove selected number into the current cell Shift-Space – insert/remove selected number as a pencil mark into the current cell p/P – switch in or out of pencil mark only mode a – insert suggested pencil marks in the current cell only A – insert suggested pencil marks in all the empty cells option-a – auto-pencil mark mode – ie.