Restricting these charts to games with a release date after March of 2009 (i.e. The biggest change in the actual data comes in the aggregated distribution of hours played. I've noted this in the original piece and updated a number of charts to reflect this. For some of the other charts, it simply means that games from the pre-2009 period can't be compared completely accurately to those released after March of 2009. To be clear, this issue should not affect the "ownership" data in the original piece-games bought at any time appear in the scraped Steam data correctly. This helps explain why older games like Ricochet and Deathmatch Classic seem so unpopular among people who own them-because most players probably put in their hours before March of 2009. This isn't a small oversight: games played solely before this date would show up erroneously as "unplayed" in our data, and games released before that time might show fewer total hours than they should. Before posting our analysis last night, I was not aware that Steam only started tracking the "number of hours played" statistics on in March of 2009. Isn't your data off? Steam didn't always track gameplay hours in the past Here are some responses to the most common issues that have been brought up in the last 24 hours or so. We've also received some questions and concerns about our data, our methodology, and what we plan to do with this project going forward. It's been come from all over-comment threads, Twitter, e-mail, and links from other sites.
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Since we finally unveiled our Steam Gauge project late last night, we've been overwhelmed by positive responses to the data.
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Steam Spy announces it’s shutting down, blames Valve’s new privacy settings.Valve working on “more accurate” replacement for Steam Spy’s sales data.