You are a test subject in the Aperture Science lab who winds up in another "puzzling" situation. You are also in a race against an ever wicked "test dungeon master" trying to make life hard and success a relative term.
Mari, one of the enigmatic heroines in Grand Chase Chaos, the side-scrolling fantasy MMORPG from SG Interactive, will receive her biggest update yet with the addition of her fourth character job, Geas.