Nexon's new graphic online action MMOG, Vindictus, has officially launched just in time for Halloween. Vindictus is free-to-play and just kicked off its Halloween festivities with the Fall Fear Festival, which began this week. Developed using a modified version of Valve's Source engine, Vindictus is a darker turn on the sort of game Nexon is usually known for with games like Mabinogi and MapleStory. If it looks appealing to you, head over and give it a try. It's free after all.