1851 and 1826. 18SJ: Railway in the Frozen North Designed by Örjan Wennman and self-published in 2021 (with a newer edition publishing in 2023 by All-Aboard Games), 18SJ is set in the United Kingdoms of Sweden and Norway during the formative years of Nordic railways. The game features nationalization of public railway corporations. 18TN 18TN was published by Deep Thought Games in 2006. The game was designed by Mark Derrick originally in 1996, and upon discussions with Chris Lawson it was modified and published by Chris as 1851 in 1998. The two games were sufficiently different that the publication of the original was warranted. It is set in Tennessee. 18US 18US was published in 2006 by Deep Thought Games. The game, designed by David G.D. Hecht as an "advanced" 18XX game, is set in the continental United States. Unlike 18C2C or other, similar products, it is a very compact game: the entire "Lower 48" only takes up two map panels. 18VA 18VA was published by Deep Thought Games in 2005. The game, designed by David G.D. Hecht, is a smaller 18xx game, originally intended to be similar in scope to Mark Derrick's "one-state" games 18AL and 18GA. Set in Virginia and Maryland, it is slightly more complex than the two mentioned. 18West 18West was published in 2007 by Deep Thought Games. The game, designed by David G.D. Hecht, is set in the western United States. Many of the mechanics are quite different from other 18XX games, such as three different kinds of companies (including the Grange Road) and subsidized track laying. All-Aboard Games published a new version of the game in 2020. 2038: Tycoons of the Asteroid Belt 2038, by Tom Lehmann, has the game mechanics of an 18XX railroad game but with an asteroid mining theme. Its financial aspects are fairly similar to those of 1835, including a set of minor companies and a larger merger company. Its board features include asteroid mines that can be improved (the equivalent of cities), a small exploration reward for companies which explore asteroids (the equivalent of laying a tile, but requiring a spaceship/train), and two different types of corporations (those that start with full monetary assets and "growth companies", which start with fewer assets and a lower stock price but retain earnings from their unsold stock). The game was published in 1995 by Prism Games and TimJim Games. 21Moon Published in 2020