Requires Trainz Simulator 2010 The Blue Comet addon pack recreates the excitement and splendour of this remarkable train. Stunningly detailed and making use of up-to-date smoke, sound, physics and script features, the Blue Comet promises to be a satisfying addition to your Trainz collection. The package includes the Baldwin G3s pacific locomotive in early condition, in both blue and black liveries, and a custom cab interior. There are no refunds for this item. Digital Rights Management Disclosure. This software uses digital rights management software (“DRM”). DRM may limit the number of times you are permitted to install this software on a computer and/or the number of computers to which you may install the software. To function properly, DRM downloads certain data and files to your computer, which may or may not be uninstalled when you uninstall the software.