The gameshop 'de Joker' in Utrecht, Netherlands, released 18kaas, an 1830 style 18xx-game in Holland (different from Rob & Paul's 1839 and different from Theo Jansma's version), available in fold-able or hardboard and mounted map style, party proof version (1830: Railways & Robber Barons components required). In 2004 another 100 copies were available. Though this uses components of 1830 this is not an expansion, but is a separate standalone game.

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