In a medium bowl, add 3 cups confectioners sugar gradually to cream cheese, bbeating with an electric mixer on medium speed until well blended. Add melted chocolate, mix well.
Divide mixture into 4 bowls, add a different flavored liqueur to each bowl; mix well. Refrigerate several hours.
Place the ground nuts on a small plate, also place the confectioners sugar on a plate and the cocoa on its own plate for dusting the truffles. Remove one of the mixtures from the refrigerator. Shape into 1” balls. Roll in nuts, sugar or cocoa. Refrigerate on a plate. Repeat with remaining mixtures until all truffles are done.