Small World - Realms is an expansion pack for the base version of the game Small World. It includes 48 geomorphic two-sided terrain tiles, 12 tunnels, 10 victory coin mines, 8 miscellaneous tokens, 6 river border markers, 1 game turn track, and a rules booklet with 12 scenarios. The map designs are based on any of the 12 preset scenarios created by the game's designer, Philippe Keyaerts. Players can also create their own maps and scenarios using the components included. This expansion pack requires the base version of the game to play.