Trainz Simulator MAC Trainz Simulator Mac includes everything you need to build and operate your own dream railroad. You can build a fun layout in minutes, faithfully recreate a steam railroad from days gone by or develop a fully fledged 100+ mile prototypical route; the choice is yours. Drive... Steam, Diesel or Electric trains (and even trams, boats and cars)Operate... a complete working rail line with interactive industries Build... and customize your own living railroadShare... your creations and your passion with other rail fans New routes are available for you to drive with upgraded content specific to TS Mac and including SpeedTree throughout. Developed specifically to run in 'Native' mode, experience the best Trainz ever.