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Asteroid Stronghold

Orbital Oblivion; Level 11.
Secret level 2.
After finding the aliens' secret room on the base, Duke activates a trigger which blows up a large amount of terrain, floating around the sun and deforming the moonbase. Now he realizes it was no accident as he hears tremendous pain roars from unfortunate aliens who were involved in this plot. With anything but luck and a possible return to the base, Duke bents to explore the asteroid to find a way to get out of the floating mass, if he can do such thing.