The Dungeon was first established in the Winter and Spring of 1970-71 and it grew from there... The first six levels of encounters were prepared for the last two years for convention games, and set up along 'Official' D&D lines. The last (7th - 9th & tunnel Cavern system) are the originals used in our game.' (Dave Arneson, 1977) Experience the first-ever dungeon using a mix of OD&D and Arnesonian house rules in which melee is fast and furious!