GURPS Mixed Doubles is a sourcebook for GURPS. Contents GURPS Mixed Doubles is a collection of characters intended for use with the GURPS role-playing game accessory Supers. Each superhero or supervillain character entry in the book is paired with another one, often with an enemy or a rival, but sometimes with a partner, a relative and, in two cases, lovers. Publication history Reception GURPS Mixed Doubles was reviewed in White Wolf #35. References Mixed Doubles Role-playing game supplements introduced in 1992 Superhero role-playing game supplements