Doomsday: the System Exploded and I Could Only Mess Around

The global apocalypse, the survivors all have a system. But Wang Yu is an exception. When his system was loaded, it exploded on the spot. One year after the end... While countless people are still looking for shelter; He has upgraded the shelter system to the full level and has a large shelter. When countless people are still suffering from the lack of weapons; He has upgraded more than a dozen weapon systems to full level, and the weapons he has exchanged have piled up. When countless people are still fighting for zombie monsters and zombie crystal cores, you come and go, He casually pulled the trigger of the Barrett sniper rifle and killed a zombie. Hundreds of systems sounded beeps at the same time. Experience +10... Energy points +10... System: The current system level is full! System: The energy value has reached the upper limit, please redeem it in time! There is no need to explain cheating in life, but what about Wang Yu who cheated hundreds of times? I have been worried that there are too many resources and no place to put them! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.