See if there was a world comp people would just kill each other out of game so I don't really see the difference...maybe just keep it on national servers ^_^ within zip codes...
Think Gary's mod made something like this, also Minecraft has many decent servers running hunger games. But still, a stand alone game with good graphics and physics would be amazing with the Hunger Games.
No what would be cool is if someone came up with a thing that you put on to "Transfer" you into the game then its like a giant lobby full of all the games ever made then you can walk around as yourself to play all these different games as yourself. Just saying
WOULD IT REALLY BE FUN?
Yeah it probably would