In titles of books
no you do not
You need to underline or italicize video game titles. Short stories and song titles need to be put in quotation marks.
yes you do underline it because titles are called pronouns which so you do underline.
No you italicise it.
No.
when it is the heading of anything
Underline or italicize -saf
Yes you do.
Titles of anothologies should be treated in the same way as the titles of other books, so underline or italicize, depending on what is expected at your school or college.
In my English class our teacher tells us to underline titles of book, names in movies
you underline the title of the movie