Master X Master (MXM) is an Action MMORPG (PvE) / MOBA (PvP) game developed by NCSOFT with a unique TAG System, allowing you to quickly swap between two characters mid-combat.
Challenge opponents with a deadly fusion of Masters in beautifully crafted battlegrounds. Fight in a variety of PvP Game types or bring up to four friends with you into the co-op story. With a diverse selection of over 30 Masters, together with the innovative TAG System, there are hundreds of different Master combinations available, offering a new level of strategy, combos, and tactics.
MXM's Closed Beta phase ran from April 6, 2017 until April 27, 2017. The game was officially released on June 21, 2017.