[PIF]

Jihadi gamers practicing for the real thing?

[Mr Radical]

"This may be a fake story for numerous reasons"
And I say no more reason to be fake than the bombing of four trains/buses on 7th July 2005?
"in the game Siegafal, an xbox add-on game for windows 10, Arabic has become the language of choice in the chat channel"
Perhaps the game is being adopted as a cover for a communications channel "below the radar"?