Guilty Gear (ギルティギア Giruti Gia?) is a series of competitive fighting games by Arc System Works and designed by artist Daisuke Ishiwatari. The first game in the series was published in 1998, and spawned several sequels. It was also adapted to other media such as manga and drama CD. Guilty Gear has generally received praise from video game reviewers for its graphics, soundtrack, and mainly for its characters. Another fighting game franchise by Arc System Works, BlazBlue, is considered a spiritual successor of the series.