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.
board game
Malta Convoy Dice Game
Malta Convoy is a WWII Simulation of the Allied relief convoy to the British island stronghold of Malta in August 1942.
It looks pretty good, and I think there’s the basis of an interesting campaign game here.
Building A 3D Wiz War Gameboard
The Random Thoughts and Senseless Pastimes Blog has an article on building a 3D gameboard for the classic Wiz War game.
France 1940 Map and Counters
John Cooper has made some graphical improvements for the classic Avalon Hill game France 1940 and made the maps and counters available as a download. I remember having a lot of fun playing the game, and this artwork is a great visual improvement.
Labyrintus Dungeon Crawl Rules
Labyrintus is a set of dungeon crawl rules designed for play on a 7×7 grid.