• BVS Development Corporation - Develops and distributes solitaire and video poker card games.
• BitShifters - Several invented poker game variations.
• Invented Card Games - Rules for a number of recently invented card games.
• Legend Games - Publishes Age of Heroes. Includes game information and educational benefits.
• M.E.K. Games - Producing a series of medieval fantasy card games beginning with Armory.
• Ninety-Nine - Exact bidding game where players lay aside three cards from their hand representing their secret bid, and play the remaining nine cards to tricks.
• The Official Rules for Buh - A simple but addictive betting game for two to eight players. Introduction, rules, history and variants.
• Tredici - The rules to an invented game in which players try to collect all the cards of one suit before the others.
• Two Way Street - Rules of the game, for two or more players.
• U.S. Games Systems, Inc. - A wide variety of tarot cards and card games.
• Wyoming Cowboy - Rules, strategy and a FAQ about the game.