You can also get multiple cursors from the keyboard with ctrl+alt+(uparrow or downarrow) not the most convenient of keybindings but can be rebound if you look f

You can also get multiple cursors from the keyboard with ctrl+alt+(uparrow or downarrow) not the most convenient of keybindings but can be rebound if you look for "select_line" in the default keybindings. (Linux and Windows)