Sniper 10 years old

Ahmad is a former army officer whom has been dismissed from duty over disciplinary issues. He soon finds himself in an abandoned location with a small group of people whom are given firearms. With his sniper, he finds himself instructed by a mysterious person on the phone to hunt and kill the 'players' in order to survive the 'game'. What begins as a puzzle of uncovering the instigator's motives and next instruction, soon becomes a race to come out from it alive.