A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
A63F9/00—Games not otherwise provided for
A63F9/06—Patience; Other games for self-amusement
A63F9/08—Puzzles provided with elements movable in relation, i.e. movably connected, to each other
A63F9/0803—Two-dimensional puzzles with slideable or rotatable elements or groups of elements, the main configuration remaining unchanged
A63F9/0807—Two-dimensional puzzles with slideable or rotatable elements or groups of elements, the main configuration remaining unchanged requiring vacant positions or gap migration, e.g. two-dimensional sliding puzzles
Algorithms for Nash-equilibria in Agent Networks and for Pareto-efficiency in State Space Search: Generalizations to Pareto-Nash in Multiple Objective Games