Luck is all I have

"What the hell happened in this world?" A young man woke up after a huge cloud, caused by an explosion, has settled. He found himself in a devastated wasteland and noticed a barcode imprinted in his wrist as some sort of identifying mark. "000-5993 huh? Where's everybody?" As he was about to catch his balance upon standing up, a mysterious voice rang in his head. "#000-5993, state your name and channel your inner power for the system to adjust appropriately.." "System? Is this some kind of a game? How do you even channel this inner power you spoke of?"