Sentence:  There are a good number of <WSD>CG</WSD> scenes as well which provide even nicer artwork. Please note that though this is a visual novel on Steam, there are pretty steamy <WSD>CGs</WSD> in each route. 
Meaning of the word marked with <WSD> tags:  in a visual novel: an unique, static full-screen image, usually displayed to illustrate a significant event in the story.