Complex sentence: In 2003, ACMI commissioned SelectParks to produce an interactive game-based, site-specific installation called AcmiPark, which replicates and abstracts the real-world architecture of Federation Square.
Split into simpler sentences: In 2003, ACMI commissioned SelectParks to produce an interactive game-based, site specific installation called AcmiPark. AcmiPark replicates and abstracts the real world architecture of Federation Square.