Beside the new creatures, you will find a module of 11 special environmental tiles. Introducing tiles with special effects. Like geysers, they increase your happiness and resilience to winter. In Uncharted Lands, it allows you to place one extra viking for free in the Geyser's territory at the end of the turn, as your units reap its benefits to invigorate themselves and get ready to jump into the fray! Requires base game to play.