The psychoanalytic theory of play is not able to supply a unitary explanation for the phenomenon called play, by which all games and all manifestations arising from them can be interpreted. [This is a summary or excerpt from the full text of the book or article.he psychoanalytic theory of play is not able to supply a unitary explanation for the phenomenon called play, by which all games and all manifestations arising from them can be interpreted. [This is a summary or excerpt from the full text of the book or article.