Try Ctrl-o followed by :q! That should do it. ;) Ctrl-o moves from INSERT mode to COMMAND mode for one command and so it still works in "easy" mode. I notice

Try Ctrl-o followed by :q! That should do it. ;) Ctrl-o moves from INSERT mode to COMMAND mode for one command and so it still works in "easy" mode. I notice that "easy" mode was one of the things that the Nvim guys removed.