Nuki#7
remélem bízhatok wikis forrásban:
"Sid Meier's Railroad Tycoon is an economic simulation and computer strategy game. There are four versions; the original Railroad Tycoon (1990), Railroad Tycoon II (1998), Railroad Tycoon 3 (2003), and Sid Meier's Railroads! (2006)."
és Transport tycoon "Programmed by Chris Sawyer (TT in 1994, TTD in 1995),"