 The developers designed the game like a " Japanese garden " , where they attempted to remove all of the game elements that did not fit with the others , so the emotions they wanted the game to evoke would come through . This <unk> is intended to make the game feel intuitive to the player , so they can explore and feel a sense of wonder without direct instructions . The story arc of the game is designed to explicitly follow Joseph Campbell 's <unk> theory of narrative , or hero 's journey , so as to enhance the emotional connection of the players as they journey together . In his D.I.C.E. speech , Chen noted that three of their 25 <unk> had cried upon completing the game . 
