

However, it was criticized for its difficulty and its demands on computer performance. It received widespread acclaim, won several awards, and was one of the top ten selling PC games of 2003.

SimCity 4 was praised for being the first game in the main SimCity series to primarily use a 3D engine to render its graphics, following the implementation of 3D graphics in SimCity 64 for the Nintendo 64DD. External tools such as the Building Architect Tool (BAT) allow custom third-party buildings and content to be added to the gameplay. SimCity 4 introduces night and day cycles and other special effects for the first time in the SimCity series. For the success of a city, players must manage its finances, environment, and quality of life for its residents. Players can zone different areas of land as commercial, industrial, or residential development, as well as build and maintain public services, transport and utilities. sc4 files, which are the city savegame files themselves.The game allows players to create a region of land by terraforming, and then to design and build a settlement which can grow into a city. Additionally, a region may contain several. The region.ini and config.bmp files are located within the region folder. The game allows players to create a region of land by terraforming, and then to design and build a settlement which can grow into a city.

Thirdly, they must have a config.bmp file, which determines the size and layout of the region. Secondly, they must have a region.ini file, which contains the in-game name of the region, among other basic settings. First, they must have a folder in the player's Documents/SimCity 4/Regions directory. Regions consist of a minimum of three required components. Many custom regions of both real-world and fantasy locations can be downloaded from the various SC4 fansite exchanges. However, regions of nearly any shape and size can be created using custom methods. The default region size for SimCity 4 is 4x4 large quads (or 16x16 small quads), and is always square. New regions can be created within SimCity 4, as well as through third-party programs such as SC4Terraformer and SC4Mapper. Regions are visible in Region View, from which cities within the region can be selected for playing. A region is a collection of connected city quads played in SimCity 4.
