Simutrans is a freeware and open-source transportation simulation game.
Your goal is to establish a successful transport company. 
Transport passengers, mail and goods by rail, road, ship and air. 
Interconnect cities, districts, public buildings, industries and tourist 
attractions by buiding a transport network you always dreamed of.

Visit http://www.simutrans.com/

You can change the appearance and behaviour of the game with
paksets. pak64 is already included, more available at 
http://www.simutrans.com/paksets.htm

Please note, sim_nosound works on an (updated) AmigaOS 4.0 installation.