Kolf comes with a versatile editor for its course file format. Courses can have any number of holes, and there is no limiting the creativity of the course designer.
To create a new course, choose ->. Go to the Courses page of the dialog, and choose the Create New course. Make sure that, under the Options page of the dialog, Strict mode is unchecked.
To play this new course later, click the button to add the course to your list of courses.