Bagi para Railfan, tentu tidak asing lagi dengan adanya berbagai Game PC Simuasi Kereta Api. Tiga di antaranya adalah TRS (Trainz Railroad Simulator), MSTS (Microsoft Train Simulator), dan Open BVE.  Berikut Resume spesifikasi dari ketiga aplikasi Game ini.

TRAINZ RAILROAD SIMULATOR 2006 (TRS 2006)

Minimum system requirements:

* Windows 98/2000/Me/XP

* Pentium IV 1.5 GHz or equivalent; 512 MB RAM

* 64 MB video card (NVIDIA GeForce or equivalent)

* DirectX 9 or higher

* DirectX 9 compatible sound card

* 8 X CD ROM

* Approximately 4 GB available hard disk space

TRAINZ RAILROAD SIMULATOR 2009 (TRS 2009)

Minimum system requirements:

* Pentium IV 2.2GHz (or equivalent)

* 1GB RAM

* 64MB 3D Graphics Card (NVIDIA GeForce2 or equivalent)

* Windows XP Service Pack 2

* 1024×768 display resolution

Recommended :

* Intel Core 2 Duo (or equivalent)

* 2GB RAM

* 256MB 3D Graphics Card (NVIDIA GeForce7 Series or equivalent)

* Windows XP Service Pack 2

* 1024×768 display resolution

TRAINZ RAILROAD SIMULATOR 2012 (TRS 2012)

Minimum system requirements:

* Pentium IV 2.8GHz (or equivalent)

* 2GB RAM

* 256MB 3D Graphics Card (NVIDIA GeForce2 or equivalent)

* Windows XP Service Pack 3

* 1024×768 display resolution

*Approximately 12 GB available hard disk space

Recommended :

* Intel Core 2 Duo (or equivalent)

* 4GB RAM

* 512MB 3D Graphics Card (NVIDIA GeForce7 Series or equivalent)

* Windows XP Service Pack 2

* 1024×768 display resolution

*Approximately 15 GB available hard disk space

MSTS (Microsoft Train Simulator)

*Microsoft® Windows® 95/98/Me/2000/XP. Does not support NT

*PC with 266 MHz equivalent or higher processor

*32 MB of RAM for Windows 95/ 98/Me; 64 MB for Windows 2000

*Approximately 1.5 GB of available hard disk space for a full install, 500 MB of available hard disk space for a minimum install

*Quad-speed or higher CD-ROM drive

*DirectX 7.0a video driver

*DirectX 7.0a or later compatible 4 MB video card capable of 800 x 600 resolution in 32K colors

*Sound card, speakers or headphones required for audio

*Microsoft Mouse or compatible pointing device

Open BVE

Minimum system requirements:

* Windows 98/2000/Me/XP

* Pentium IV 1.5 GHz or equivalent; 512 MB RAM

* 64 MB video card (NVIDIA GeForce or equivalent)

* DirectX 9 or higher

* DirectX 9 compatible sound card

* 8 X CD ROM

* Approximately  1 GB available hard disk space.

Sumber : http://keretamodel.wordpress.com/kereta-api-model/train-simulator/