From ebgames.com:

Based on one of the hottest television shows, this 3rd-person fighting adventure game delivers the same intense action, characters, and humor that created a massive following. Developed as a lost episode from the show, the original story begins when Buffy and friends discover a dreaded enemy from the past is at the center of a great struggle with The First- the ultimate incarnation of evil. They must face an undead army of terrifying vampires, zombies, and demons to keep these hellions from casting the world into permanent darkness. With involvement from the show's creator, sanctioned Buffy writers, and voiceovers by numerous cast members, Buffy the Vampire Chaos Bleeds features intense action in an authentic Buffy universe with 6 playable characters from the show, an advanced fighting engine allowing over slayer 100 moves & combinations, loads of new and familiar characters and environments, multiplayer action for up to 6 people, and tons of DVD-style extras.