New Features in iRunTrains v0.4 Prerelease (Released November-6-2010):

• More realistic textured scenery in one of five colors that you select.
• New textured horizon with blue-sky and moving clouds.
• A sixth beautiful layout called "Triple-Decker".
• Elevated turnout numbers offer improved readability.
  
• Many internal optimizations to improve performance.
  

New Features in iRunTrains v0.3 Prerelease (Released July-10-2010):

• More realistic looking track with ballast.
• Three additional viewing modes
  
• Motion Match View - Your viewpoint matches the motion of current train.
• Rail Fan View - Stationary view that simulates what a "railfanner" experiences.
• Engine Rider View - View from onboard the engine, like riding a 1/4 scale model.
  
• Both keyboard and mouse control of most views.
• A fifth fun layout called "The Hill Climb".
• A virtual electronic billboard that you can customize with your own photos or graphics.
• A new menu layout and the ability to set menu text color for improved readability.

New Features in iRunTrains v0.2 Prerelease (Released March-28-2010):

• A fourth fun layout called "Mountain Loop".
• New keyboard commands give improved ease-of-use and international compatibility.
• Support for all Macs (not just Intel Macs) running Mac OS 10.5 "Leopard" or newer.
  
• Bug Fix:  Fixes a display clipping problem seen on some Macs (see Release Notes for details).

Initial Features in iRunTrains v0.1 "Concept Demo" (Released March-14-2010):

• Full 3D model railroad simulation using OpenGL.
  
• Also a 2D simulation if viewed from above.
• Simple keyboard controls that can be learned in minutes.
  
• Three fun track plans to choose from.
• Control three trains (speed and direction) at the same time.
• Smooth train acceleration that simulates momentum.
• Full control of all turnouts.
• Table View: shows a stationary view of all or part of your layout.
• Train View: follows the selected train automatically, as from a helicopter.
• Four terrain colors to simulate grass, dirt, sand, and snow.
• Artificial horizon option simulates outdoor operation.
• Pause feature, stops the simulation when needed.

Future Planned Features:

• More realistic looking train cars and engines.
  
• More realistic looking scenery.
• Collision detection (instead of the current "ghost" trains).
• Library of engines and cars to choose from.
• Building and selection of completed trains.
• Additional track plans.
• Uncoupling and auto-bump-coupling of individual cars.
• Operate up to 10 trains, up to 100 cars each.
• The ability to import any RailModeller "SLIF" file into iRunTrains.