When the smoke clears around the Grand Theft Auto sex scandal, the innocent bystanders of the collision between politics, puritans and corporate dissembling may prove to be the community of “modders” who tinker with game content for their own amusement. Game hackers have probed, tweaked and enhanced everything from Halo to The Sims 2 over the years without incurring the wrath of game makers — despite widespread click-wrap contracts prohibiting unauthorized modifications, and ambiguities in copyright law that make distributing the hacks legally uncertain.