Many of the Tabletop Games, such as D&D, have created their own complex languages for use with the games. So not only do most gamers have to learn the lexicon of the gaming culture, they also have to learn an all-new orthographic system as well!
The Viking Runes. The eldest runestones, inscribed with Norse runes, date from the century. These were the Elder Futhark runes. However, the most of the runestones were created during the late Viking Age and thus inscribed with theYounger Futhark runes.