Slipstream is an RPG book and setting by Pinnacle Entertainment Group for it's Savage Worlds roleplaying system.
Pocket Universe of Slipstream
This book focuses on the pocket universe of Slipstream, the final destination for all the black holes in the "normal" universe (which contains the planet Earth).
The Forces of Evil
The main forces of evil are led by Queen Anathraxa, who is aided by her elite Handmaidens. the ape-like Primals, and Minions (human males brainwashed to serve Anathraxa).