The goal of this free card game is to sort all the cards on the table into the eight foundation slots at the top of the screen. Instruction 2: know that your cards need to be sorted into eight piles Looking for easy or challenging ways to play free online solitaire? Spider solitaire allows you to choose your preferred difficulty - one suit spider solitaire is the easiest, while four suit spider solitaire is the hardest. Playing spider solitaire online is easy - simply follow these five instructions: Instruction 1: choose your difficulty level