Play against other players or practice offline and build your very own sidedeck with the credits you won! Daily credit bonuses, 100+ achievements and global leaderboards! Includes optional OpenFeint and Facebook integration.
All the cards have been unlocked in solo play to let you experiment with different sidedecks.
OpenFeint leaderboard score changes: match won: 5 points; match won with no sidedeck used: 10 points; match lost: 2 points; match lost with 0-1 cards used: no points.