A New Game for Costigan is a Steve Costigan story connected with a later Dennis Dorgan reworking. Surviving agency material records alterations from “Costigan” to “Dorgan” and the credited name “Patrick Ervin,” and Cross Plains Library preserves both an original draft and an Otis Adelbert Kline Agency retype.

The original typescript lists the author as "Patrick Ervin", a pseudonym REH used in connection with his Dennis Dorgan stories. Otis Adelbert Kline and later agents retained the original typescript (titled “A New Game for Dorgan”), and it was eventually donated to Cross Plains Library. In OAK’s logs the title is originally "A New Game for Costigan", then "Costigan" is struck out, and "Dorgan" is written above it, along with "Patrick Ervin".

Cross Plains Library has one original draft of this story and a retyped draft by the Otis Adelbert Kline Agency.