This article needs additional citations for verification. This alphabetical list of filename extensions contains standard extensions associated with computer files. Trainz Animation specification file, for example a steam locomotive’s connecting rod movements, or water movement on a river or lake motion. Any of the 3D Grand Theft Auto games in either III or IV era. Compressed file containing number of other files for deployment. The Draw – TUD – ACiDDraw – etc. Note that on case-sensitive platforms like Unix and with the gcc compiler the uppercase .