The Random Rollers series provides multiple 20 sider charts to help the Game Master quickly hash out a detailed random side encounter. With Urban Waste 1 you get the following five charts: Location of event, Encounter type and number appearing, random Feature of location, and two sets of random Loot. The Game Master is naturally free to add whatever additional features, loot, etc. that they like. Furthermore the number of encounters appearing should be increased or decreased to properly match the party size of the player characters.