What form of play does King Oil and Personal Preference have in common?
King Oil King Oil is a board game by Milton Bradley, created in 1974 and now long out-of-print. The game requires players to drill for oil on a three-dimensional board, acquiring property and wealth.
Kingdom of Loathing Kingdom of Loathing (abbreviated KoL) is a browser-based multiplayer role-playing game designed and operated by Asymmetric Publications, including creator Zack "Jick" Johnson with a small team. The game was released in 2003, with ongoing small updates continually released.