Black Widow - Spider Solitaire

This is a classic Spider Solitaire game (Black Widow, one of the top solitaires in the world).
Features:
- three difficulty levels
- option for only solvable deals
- option for redeal of last game
- portrait and landscape orientation
- online leaderboards and achievements (Game Center)
- drag & drop and single tap controls
- animated cards motion
- customizable (card backs, backgrounds)
- statistics
- unlimited undos
- unlimited hints
- auto save