This story is not nearly as interesting as I was led to believe. Some guy bought something in the online game Entropia Universe. He bought it with in-game currency—PED3.3 million, to be exact. It just so happens that that amount, PED3.3 million, can be converted at will to real life currency. At current conversion rates that equals approximately US$330,000. So if you want to say that the guy bought an in-game item for US$330,000, well, be my guest.
The item itself, the Crystal Palace Space Station, is some sort of ship or craft or something that other players can buy things from. So the buyer of the thingamajig can use it as an actual source of income.
You should know that the game isn’t merely a game, but a fully registered bank in Sweden, complete with all the protections afforded to other, “real” European Union-based banks.
Embedded is a video of Crystal Palace, which looks an awful lot like that spaceship from Phantasy Star Online.