The Sector Kadom Campaign is a free to print expansion for Frontiers. It was going to be released as official, boxed expansion but the publishers decided against it. It has been posted as free to print on the designers website. This expansion adds some new units, terrain, weapon types and a campaign with multiple scenarios. The new units including exo-tanks, spiders, a sniper, virus-link and other new infantry and vehicle units. There is also more terrain, such as a garage, hills and more building pieces.