The Smash Up 10th Anniversary Set includes the new factions: Mermaids, Skeletons, and the World Champs, as well as brand-new Titans, and a reprint of the Sheep faction for those who may have missed out the first time. It also includes several great components for upgrading your game of Smash Up, such as base mats and a new Goblin token, and the all-new Big Base, an entirely new way of playing Smash Up