Complex sentence: Return To Dark Castle is the third game in the Dark Castle series, following the original Dark Castle (1986) and the 1987 sequel Beyond Dark Castle, and it is the first Computer Game in the Dark Castle series developed by Z Sculpt.
Split into simpler sentences: Return To Dark Castle is the third game in the Dark Castle series, following the original Dark Castle (1986) and its sequel Beyond Dark Castle (1987). It is the first Computer Game in the Dark Castle series developed by Z Sculpt.