Simutrans — Free and Open Source Transportation Simualtor

Simutrans is a free and open source transportation simulator game. You may be familiar with Transport Tycoon and its modern OTTD variant. Simutrans shares some early history but is its own game - very different in gameplay style, although similar in the sense of transporting passengers and goods.

Check out the International Simutrans Forum — note that many do not receive activation emails. You can message @[email protected] and let him know what email address you signed up with (and username please) and he can manually activate your account if you don't find the email.