You've heard of art forgeries, you probably remember forging a parent's signature on a failed test, but... PC  video game  forgeries? That's different. Or, perhaps it's not so unlike art forgery (though certainly much less lucrative). Retro video games that have gone out of print are in high demand from an avid collector base. There's a robust and healthy community, one that was recently shaken when a discovery was made that one of its members had been selling forgeries. Sev...