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I have been playing the regular version. There is no counter to show how many people are playing in each mode, so I can't tell you how many (if any) people are playing in the DLC maps. You might end up never finding a game in the DLC maps. As for the other extra stuff- I don't know how valuable a smoke grenade or additional assault rifle would be, I guess it depends on your play style. Do you use the SCAR, Grendel or SCARAB? If not, the FY71 would just be another unused weapon.