What he’s most likely referring to is the actual data storage and retrieval solution that they used. Could be the database server or file format, etc. Remember, they didn’t have the actual source code for the game servers.

This is essentially how Champions Online works. When you start the game you are in an instance of Millennium City that is under attack by an alien threat and populated only by characters level 1-5(ish). As soon as you finish the quest to defeat the alien threat, you go to the main instance of Millennium City that is…