I know it as binairo, which I have seen in paper magazines. On Simon Tatham’s puzzle collection it is known as unruly: https://www.chiark.greenend.org.uk/~sgtat

I know it as binairo, which I have seen in paper magazines. On Simon Tatham’s puzzle collection it is known as unruly: https://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/unruly.html https://www.chiark.greenend.org.uk/~sgtatham/puzzles/js/unru...