1-Pass Patience Solitaire is the most difficult classic solitaire card game on Card Game Solitaire. To play this game, you must have excellent patience and talent. This classic 1 card classic solitaire game is played just like regular solitaire. Like the name implies, though, you only get ONE pass though the stock deck. This makes the solitaire game extremely difficult! Play online or download for free--but above all, enjoy!