From the publisher: 'ClanTroops is a supplement to the Battletroops game, providing 16 scenarios set during the Clan invasion. ClanTroops features rules expansions dealing with new terrain, weapons, equipment, an both Inner Sphere and Elemental battle armor. ClanTroops also contains five new mapsheets and a variety of counters, including stand-up counters for both types of battle armor.' - BoardGameGeek