“Does this decision make business sense for XCOM’s future? 2K isn’t sharing sales figures for XCOM: Enemy Unknown or Enemy Within, or how sales broke down across the PC and console versions, so it’s impossible to say for sure. However, using publicly available Steam data, third-party site SteamSpy unofficially estimates 2.6 million PC copies sold since October of 2012. (That figure does factor in numerous deep Steam sales where it’s sold for as little as five dollars, and its inclusion in HumbleBundles.) Reliable console version sales numbers are difficult to come by, though based on failing to chart in the NPD top 10 retail games for October 2012, it’s safe to speculate that console audiences didn’t flock to XCOM.”
Why XCOM 2 Had to be PC Exclusive — IGN First – IGN
www.ign.com
Firaxis explains the reasoning behind its decision to focus on one platform instead of three.