Complex sentence: In contrast, there are topless, chained-up women scattered across the game's levels, only in the game because of the developer's belief that nudity was integral to a "Conan" story.
Split into simpler sentences: In contrast, there are topless chained-up women scattered across the game's levels. These helpless women are only in the game because of the developer's belief that nudity was integral to a "Conan" story.