500 From Special K 6.16.1

The 500 Card Game is the greatest card game ever devised. It was created by the US Playing Card Co. in 1904 as a variant of Euchre. Since then, its popularity has resulted in many variants in many parts of the World, and these are accommodated with a fully customizable rules selection so that you can play by the exact rules you enjoy. The computer plays for three players, and you play the fourth, so that you will never miss out on a game again. You can adjust your preferences for skill and speed of play, so that the computer players play just like your human friends.