When playing first, chooses the lowest card in hand. When playing 2nd or 3rd, plays the highest card that will not take the trick, otherwise, plays the lowest card of suit. When playing last, if there are points in the trick, plays the highest card that will not take the trick or if it must take the trick, plays the highest card of suit (avoiding the Queen of Spades). If playing last and there are no points in the trick, plays the highest card in hand. When the player is void in the lead suit, it will play its highest valued cards starting with QS, AS, AH, AD, AC, KS, KH, KD, KC, QH, QD, QC, etc.... For all three difficulty levels the cards are dealt completely at random to both you and to the computer players. Computer players are not given any special advantage and they do not know what cards are in your hand or in any other players' hands.. This online version of the classic card game Hearts was made by me. My name is Einar Egilsson and over there on the left is my current Facebook profile picture! Hearts is the third card game I've made, the other two are.