The main protagonist is Conrad Hart who, in Flashback, destroyed the planet of hostile aliens called the Morphs and went into suspended animation in a spaceship that floats aimlessly through outer space. A half century later, he is found by the Morphs and imprisoned in the Lunar prison of New Alcatraz. There, he is rescued by a man that introduces himself as John O'Conner
Delphine Software
Another World - 1991
Flashback - 1992
Fade to Black - 1995