Catalyst Black is a new game from SEMC and the second game after Vainglory was officially announced on the 25th of next month, but Pre-Rigister is required first. SEMC, a former developer of Vainglory, has just launched a new WorldWide game. Catalyst Black is a Team-Based Battleground Shooter game with 20 players (10 VS 10). SEMC has made Catalyst Black available for download on Android and iOS.