What is the main conflict in The Sandman: A Game of You by Neil Gaiman?

The Sandman: A Game of You written by Neil Gaiman is volume five in a series of graphic novels. Barbie is a young woman who is plagued by her involvement in a dream world called the land. Other inhabitants of the building she occupies get involved in an effort to save Barbie and themselves from the mischief of the Cuckoo. The Sandman: A Game of You is a look of the inner fantasies within a person and a suggestion that perhaps everyone has more going on inside than can be seen from the outside.