Call of Duty makers Infinity Ward posted two telling photos to Facebook and Twitter this week, showing off what appears to be an Xi3 Piston PC, one of Valve's adorable prototype Steam Box devices, with the company's logo plastered on it. (UPDATE: Or any of the other Xi3 mini-computers—the Steam Box is just one…

According to a report on Siliconera, next year's Call of Duty game will take place in the same universe as Infinity Ward's Modern Warfare titles.