Complex sentence: The game began production alongside the company's second project,', and remained in development after that game's 1993 release; it then continued through the creation of their titles "System Shock" (released in 1994) and "Flight Unlimited".
Split into simpler sentences: The game began production alongside the company's second project,', and remained in development after that game's 1993 release. It then continued through the creation of their titles "System Shock" (released in 1994) and "Flight Unlimited".