A PVP Tournament is a special Player versus Player event in which players challenge each other in hopes of receiving exclusive rewards at the end of each season. Leagues and their rewards as listed below. The higher Leagues confer all of the rewards of those beneath them (ex. Adamantium League receives all rewards). PVP Tournaments were introduced on October 9, 2012. The first PVP Tournament in the mobile version was introduced on July 10, 2013.