Chinatown Wars has a different presentation from previous games in the series. Instead of a ground-level view behind the protagonist or a top-down perspective, Chinatown Wars uses a fully rotatable camera angled down at the action. Chinatown Wars also uses cel-shaded polygons with black outlines to produce a comic book-like aesthetic, a first for the series. The title takes place in the Grand Theft Auto IV rendition of Liberty City, with the exception of Alderney.
Source: Wikipedia, Chinatown Wars , available under the CC-BY-SA License.