When was Quake: Abyss of Pandemonium released?

Quake: Abyss of Pandemonium was released on April 14, 1998.

What platforms is Quake: Abyss of Pandemonium available on?

Quake: Abyss of Pandemonium is available on PC (Microsoft Windows), DOS.

Who developed Quake: Abyss of Pandemonium?

Quake: Abyss of Pandemonium was developed by Impel Development Team.

Quake: Abyss of Pandemonium

About

Abyss of Pandemonium - The Final Mission is a unofficial commercial partial conversion for Quake developed by Impel Development Team and published by Perfect Publishing. It was released on April 14, 1998. It includes 16 new levels (10 single player/6 death match), six new foes, four new weapons and 1 power-up.