A reviewer for a major site went through all this shit just to get a review copy so he could, you know, do his job and give players some small insight on whether or not it was worth buying. What was behind Doom 3's massive torrent numbers? Anticipation, hands down. It was, of course, followed up by massive disappointment, but that's another deal. The point i'm driving at here is that the pirate release was on July 31st, 2004. The official release was on August 3rd. The demo? The first hands-on taste of Doom-mother-fucking-3 that didn't involve piracy? September 19th, more than a month-and-a-half after release - 47 days to be exact. In fact, people on the "anti-piracy" side love bringing up Doom 3's torrent numbers, but none of them seem to have ever noticed this. People had good reason to wonder if it'd even run on their hardware, and yet there was no way for them to find out without downloading the pirate release; remember, PC games are generally impossible to return. On top of that, it was released with an MSRP of $54.99. Why gee, Ward, that's a pretty unique way to harness the hype that was behind the game for those make-or-break release sales.
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As the perfect coda to the whole debacle, the game shipped with copy protection that barfed if Daemon Tools or CloneCD were installed on the user's machine. The people downloading the pirate copy, naturally, did not have to deal with this.
But despite the record-breaking torrent numbers, this bit from GameInformer claims that Doom 3 was the best selling game for the week of its release in the US, UK, Australia, France, Germany, Denmark, Norway, and Sweden. The last one, of course, being the dastardly host of The Pirate Bay.
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Furthermore, this claims that Doom 3 was the second best-selling game of 2004. And this has CEO Todd Hollenshead saying that not only was it their best-selling game to date, but that the sales were evenly split between the PC and Xbox release. And the sales number i could pull up says it's around 3.5 million, although I can't find anything reliable on whether that's PC only, or PC and Xbox sales combined.
Frankly, it seems that without context, 50,000 leechers downloading the warez release sounds like good evidence on the damages of piracy, but in context it sounds like evidence against such damages.