No specific info about version 1.6. Please visit the main page of Spider Solitaire on Mac Informer.
Free implementation of popular Solitaire games for Mac OS X.
This application provides you with an impressive collection of card games.
Solitaire Till Dawn X - a collection of solitaire card games.
Choose from a wide variety of Solitaire card games.
A collection of games including 30 variations of Solitaire.