A gaming system is disclosed which comprises a symbol selector arranged to select a plurality of symbols which correspond to at least one winning symbol combination when the symbol combination coincides with a win line, and to display the symbols at a plurality of display positions. The system also comprises a win line selector arranged to automatically select at least one win line from a plurality of available win lines, and an outcome evaluator arranged to determine that a winning outcome exists when a selected symbol combination coincides with a selected win line. A corresponding method is also disclosed.