Kickstarter https://www.kickstarter.com/projects/queengames/kingdom-builder-marshlands
English - Kingdom Builder: Marshlands was funded on the Crowdfunding Kickstarter (See the campaign) platform on the Jan 7, 2016, the campaign lasted 16 days. 1,602 people helped funded the game, whose the amount requested was $10,000.00. Thanks to these 1,602 people the game could be funded up to $135,560.00, ~1,355.60%.
Boardgamegeek https://boardgamegeek.com/boardgameexpansion/179622/kingdom-builder-marshlands
English - There are 24 location tiles with 8 new abilities and 12 summary cards for the edges of the board. There are 4 new board quadrants with the Marshes land type on them. Castles have been replaced with Forts adding a different scoring possibility. To go along with this new land type, 5 Marsh terrain cards are added to the terrain deck.
Ludovox http://ludovox.fr/jeu-de-societe/kingdom-builder-marshlands/
French - 24 tuiles lieux et 8 nouvelles capacités et 12 cartes d'aide sur les bords du plateau, 4 nouveaux plateaux avec le type marais, les châteaux sont remplacés par des forts ajoutant une façon différente de scorer. Mais surtout les bonus des capacités : si vous avez deux fois une capacité vous aurez un bonus extra.