Final answer:
The children in 'Games at Twilight' are related as they are part of the same family, bonding through shared experiences in the story.
Step-by-step explanation:
The children in the story "Games at Twilight" are related because they are all characterized as part of the same family or household, which can be inferred from their interactions and communal play implied in the text. This story by Anita Desai is a work of English literature that explores themes of childhood, family dynamics, and the passage of time among other elements. The familial relation among the children suggests a portrayal of sibling relationships and childhood experiences within a domestic setting.