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Why Game is Art?
Game embodies all elements of art (communication, expression, estetics, fantasy, philosophy), end even adds some new - like interactivity.
We can aslo state that game is the art of 21th century as much as mooving pictures were the art of the 20th.
Furthermore game is not just Art, but also the highest form of art jet known to man, because it alows the user to participate in it and controll it. Thus making game an interactive art in comparison with the older (user-passive) forms of art like literature, music, theatre and graphics.