Do you have any specific questions about the gameplay or features of "Ports of Call"?

You're looking for information on the classic game "Ports of Call" and possibly a free download with a key serial. I'll provide you with some details about the game and its features.

"Ports of Call" is a classic naval simulation game developed by Josef Kucera and released in 1992. The game allows players to manage their own shipping company, navigating through various ports around the world, managing cargo, and optimizing their fleet.