- When Sasha remembers that her and her father's exile from their home station when she was a young girl, it is mentioned that one of the guards tried to cheer her up and distract her from the situation with a shadow puppet show. It doesn't work, but he really tried to make her smile.
- Homer's quest to write an epic for the Metro in the style of the epic poems of old (hence his nickname) is pretty heartwarming. Homer is one of the few men who still believes that there's good in humanity, and hopes that his epic will detail the great deeds of the men of his era.
Heartwarming / Metro 2034