The Settlers of Catan

The Settlers of Catan is a multiplayer  board game designed by  Klaus Teuber and first published in  1995 in Germany by  Franckh-Kosmos Verlag (Kosmos) as  Die Siedler von Catan. Players assume the roles of settlers, each attempting to build and develop holdings while trading and acquiring resources. Players are rewarded points as their settlements grow; the first to reach a set number of points is the winner.

Appearance

Raj, Sheldon and Howard are playing the game as Leonard prepares and leaves for his date and when he returns in The Recombination Hypothesis. The are many sexual inneuendos in the episode, almost all made by Sheldon unintentionally (Sheldon) Oh, of course. It's right here in my hand.
 * I need wood
 * Do either of you...have wood?
 * Who has wood for my sheep?
 * Does anyone have wood?
 * I just want wood!
 * Why are you making it so hard?
 * I have some wood
 * I am going to begin the erection
 * (Raj)You were in the middle of an erection.

The Game
We learn very little about the game in the episode except for the storyline:
 * The game is called The Settlers of Catan
 * There is a card with wood on it.
 * There are sheep in the game.
 * The object of the game is to build roads and settlements.
 * It is a multiplayer game holding up to at least 3 players.
 * It is a board game.