GURPS Classic: Shapeshifters

Shapeshifting . . . changing from one form to another. It might be caused by magic or by an alien biology . . . it might even be a product of high technology!
This book brings you complete rules for creating shapeshifter characters in GURPS, pulling together and consolidating material from several previous books. Many examples are included, from powerful individuals to whole races of shapeshifters that are the stars (or the villains) of their own campaign settings.