An unofficial add-on for Quake (like Shrak for Quake), Abyss of Pandemonium cheekily positions itself as the next part of the story, following on from Quake's official mission packs: Quake's fearsome general, the Dark Reaver Legond returns from conquering another dimension in the name of her master, to find out that a single human has repeatedly defeated Quake's minions. Outraged, …