You won't have much luck looking for this game on an international forum cause it was a promotional title of the LBS (a german building and loan association for those not knowing).
Ok, enough talk now, the game you are looking for is
VISION
I had lots of hours of fun with this game in the early 90s.
Did you know they also made a second part (VISION 2) settled in space?
Also a very nice game, very similiar to part one though.
Viel Spass!
