Blackjack Plus is a shareware card game. When the player registers the shareware game they are sent Blackjack Plus Professional, a game that has many more features. The game allows one to seven players and is played with the mouse or joystick. There are three modes of gameplay; Manual: in which the player makes all the choices themselves. Automatic: in which the game makes all the decisions according to rules the player sets up. Feedback: is a teaching mode which informs players of bad choices.