Ntreev USA today announced that the Open Beta for Grand Chase, a Massive Multiplayer Online Action RPG developed by KOG, is scheduled to start at the end of this month. Grand Chase follows the lives of different heroes from the Bermesiah continent in their fight against the evil Queen of Darkness. Characters will be able to fight dynamically alongside each other in several different game modes to defeat the evil queen. The official website of the game is now live.