The Roadway of Wrath
This one-shot takes place in a post-apocalyptic, steam-punk style of world. Steam powered vehicles of bronze, iron, and steel are used by most civilizations and competition over areas containing water is heated and frequent in the middle of this expansive desert. In this adventure, the party finds themselves involved in the plot of a woman named Therra to kill off the oppressive overlord of one of these desert villages.
The party must steal a group of these vehicles - choosing to split themselves between the massive fourteen-wheeled Ravager, the flamethrowing Firestarter, the spike-covered Skewer, and the two-wheeled vehicle known as the Sidewinder, as they flee across the wastelands. They will fight off goblin, kobold, and orc vehicles as the overlord gives chase and eventually faces off against them in a final battle of steel and steam.
There will likely be a great deal of chaos - people leaping onto vehicles, being rolled under them, or performing risky but entertaining maneuvers . . . make sure to embrace these and turn them amazing scenes. It is more about having a great time than it is about following the rules, especially in this particular one shot.