Richelieu Card Game

Richelieu is a card game based on the efforts of Mary of Medici to have the young Louis the XIIIth dismiss the Cardinal of Richelieu.

Board Game geek has downloads of the rules and all the files needed to play.

The Great Game Card Game

The Great Game is a set of rules for a two player card game in which the Russians and British vie for dominance in Central Asia.

Field of Honor Card Game

Using a standard deck of cards, Jim Wallman’s Field of Honor is:

a simple two player card game that is an abstract depiction of two armies facing each other on the battlefield. It can either be played as a simple two player card game, or as a sub-game to a more complex wargame � say a campaign where you wish to resolve minor battles without resorting to setting out model soldiers.

Pairs Print and Play Game

Pairs is a free print-and-play game from Cheapass Games. You can also purchase printed editions of the game at the same site. From the publisher’s description:

The Pairs deck contains only the numbers 1 through 10, in a triangular distribution (1×1, 2×2, 3×3, and so on up to 10×10).  The basic goal of Pairsis to avoid getting a pair. Your odds will depend on what cards you hold, and which cards you have seen! Scoring pairs earns you points, and the first player to reach a target score is the loser.

Minute Diktator Print and Play Game

Minute Diktator is a free print and play game in which two players vie to get the support of the “Council of Five” to replace the departed Dear Leader.