Complex sentence: The 1988 Macintosh release of the game came in two versions, one in color, and one with black-and-white graphics, while the DOS version of the same year was available in black-and-white only.
Split into simpler sentences: The 1988 Macintosh release came in two versions, one in color and one with black-and-white graphics. The DOS version, released the same year, was available in black-and-white only.