The Japanese Rail Sim series uses real - life footage of Japanese railways .
In 2006 , the company started developing simulation games such as I am an Air Traffic Controller Airport Hero ( for PSP and later for 3DS ) and later Japanese Rail Sim 3D for 3DS .
The Japanese Rail Sim 3D   series uses real - life footage of Japanese railways .
In 2006 , the company started developing simulation games such as I am an Air Traffic Controller Airport Hero ( for PSP and later for 3DS ) and later Japanese Rail Sim 3D for 3DS .