The AX QuickTime Kit is a modifier kit which provides cross-platform QuickTime and QuickTimeVR support in mTropolis 2.0. This includes support for any QuickTime codec including Sorenson. Other features include Direct-To-Screen and buffered playback, dynamic external asset linking, image file support, ink effects, and cropping support. Support for the standard mTropolis play control commands and movie attributes is also included.