Agents of S.W.I.N.G. Agents of S.W.I.N.G. is a complete role-playing game powered by the FATE system and published by Postmortem Studios. By James Desborough Welcome to the eleventh Designer’s Diary, a regular column where designers are given the opportunity to take readers on an in-depth ride through the design and development process of their system, setting, or product. How to Describe Agents...