Gen 13 #31 is a vintage US comic book published by Image Comics in 1998. It is a single issue in color format and features the story "Paradigm Shift" with characters from the Gen 13 series. The comic book is written by John Arcudi and illustrated by Gary Frank, who also created the cover art. It is a first printing and part of the 2nd series. The issue includes a guest appearance by Alex Fairchild and is intended for a general audience.