Rainmaker is a Salvage Union Adventure Module written by ENNIE award winning author Luke Gearing. Set within a region warped by a powerful weather making device known as the Rainmaker creating a series of different biomes from arid deserts, to lush jungles, to water logged cities. Pilots find themselves exploring the fully illustrated campaign map for keys to the Rainmaker in order to access it and restore, multiple factions including corpos, warlords, and wastelanders are all seeking the keys as well and pilots must deal with these, whilst navigating the hostile environment. The module further adds rules for diesel-punk Mechs as well as demon Mechs, as well as a slew of new Mech Chassis, Systems, Modules, Pilot Equipment and multiple new bio-titans. The module requires the Salvage Union Core Book to play.