Wow if true this quite horrible number.
So for 9 months the total revenue for steam sales is about $2.9 billion.
And valve claims to have over 125 million active users...

That equates to the average user only spending $23.40 for that entire period or about $2.6 per month.
And this revenue not profit ... even assuming valve gets 1/3 that leaves $975 million then you have employee costs, maintenance costs, building costs, other development and marketing costs, and taxes. After all is said and done they might only make $200-$300 million. Then whatever is left over probably has to go as payments to investors.

No wonder Half life 3 was never made they can't afford to. Imagine if they made a mistake and a big budget game like that didnt sell. Thats what happened to many defunct publishers.

Here's your original quote:

"I'm also fascinated with how this site has gained a small interest in PC sales data despite the user base on here being very minute and well the majority of users not being generally interested in the platform"

"not being generally interested in the platform" =/= not being someone who primarily games on PC

If what you mean by generally interested in PC gaming is that they have a high end graphics card, mostly game on PC and own a lot of games (let's say 100+), then yeah, a majority of the users here are generally not interested in the platform. Heck, a majority of Steam users aren't interested in the PC platform (and we're talking a massive majority here). Even a majority of PC only gamers aren't interested in the platform. If that's what you consider being generally interested in the platform then you shouldn't be surprised that there aren't a lot of them on this site, because there aren't a lot of them period.

Funny thing is you can see which fanbases cheaped out the most on their games using steam key. MGS5 and Dark Souls generated more revenue despite having smaller userbase

GTA is a friggin' beast! I guess the only thing that could stop GTA V from selling is GTA VI.

Thanks for posting this NiKKoM.

Good numbers all around and some pleasing surprises like Cities Skylines, ARK and Civ V, that 5 years later is still a beast.

The "Top 2015 games by estimated sales on Steam" is only for games released in 2015. And also ARK is included in that chart, but strangely enough it has a different unit number in the revenue chart.

I agree.  I see no reason to be exclusionary.  It creates an unnecessary divide.  The main point is that someone plays videogames.  What I especially like about PC is how it's gathering up users who might play most AAA releases on consoles but are picking up smaller titles and PC exclusives on Steam.  The more people who do this, the less we have to hear from the crowd that likes to attack PC gaming at every turn.

You're on a sales site, and yet are surprised at interest in video game sales numbers. Put the tinfoil down, with the lack of real data from publishers and NPD, people take whatever they can get.

So happy about the Cities: Skyline sales. If I was naive, I'd say it might have shown EA the error of their ways but well... it's EA we're talking about here.

Nah, Skylines has "only" sold about two million copies. EA doesn't bother unless they can sell at least twice that much.