Dune II online DOS game The Building of a Dynasty is a real-time strategy game, which is single-player and it is part of its homonymous franchise. The game is set in a post-apocalyptic world, not precisely defined. The player takes the role of the commander of one of the three interplanetary houses with the objective of wresting control of Arrakis from the other two houses. This story is started, in order to achieve the power on the land, thanks to the evil plan of Emperor Frederick IV, who wants the planet for him to harvest ‘the spice’, a secret drug, and pay off its debt. The main goal of the gameplay is to harvest the infamous spice from the sand dunes using a vehicle, convert the spice and to build military units with credits in order to fend off and destroy the enemy.