Does Steam have more costumers than PS3 and X360?

[JaggedSac]

Yes, Halo 3 routinely did 500,000 people concurrently before CoD4 MW2 came out. CoD4 MW is doing better than Halo 3. So yes. I have posted several times where the Halo 3 current player count was more than the top 75 games on Steam in the past.