When the world fractures into an undead nightmare, Korig finds himself trapped in a mall parking lot transformed into a deadly arena—armed with nothing but a crowbar and raw determination. As chaos consumes everything around him, a mysterious system materializes on his screen, demanding impossible feats: outlast one hour amidst the shambling horrors while eliminating a century of flesh-hungry creatures. The clock ticks relentlessly as Korig must decipher the enigmatic rules governing this nightmare and carve through waves of zombies with sheer willpower. But survival hinges on more than combat prowess—fragmented memories resurface, intertwining with the present chaos, and hidden truths emerge that might unlock freedom from this twisted game. Can Korig escape the countdown, or will the System claim another victim in this apocalyptic nightmare?