[quote=@TheUnknowable]
<Snipped quote by SimplyJohn>

Sell it as DLC.  Then we don't have to run it by ESRB.
[/quote]

Or leave all the neccesssary files in the code. Someone will probably find it an hour after it's released and by the next day someone will have already made it into a mod.

Next thing you know start supporting and packaging for paid mods and badabing badaboom free money with minimal work