SET- The Computer Game Description:

The object of the game is to identify sets of three cards. Each card is unique in its four features: number: 1,2, or 3; symbol: diamond, squiggle, or oval; shading: solid, striped, or open; and color: red, green, or purple. A set consists of three cards on which every feature is either the same on all of the cards, or different on all of the cards.