• Doomsday Laboratory: The A-23 virus secretly developed by the military was accidentally leaked, forming an isolation zone with a radius of ten kilometers. The experimental subject continued to evolve by devouring genes, and finally a perfectly evolved body that retained human thinking was born.
• Time and space rifts: Portals to different time and space will appear on every full moon night. Gene fragments can be obtained by completing tasks. Collect enough pieces to unlock the ultimate secret of the zombie virus.
• Memory fragments: When the protagonist wakes up in the morgue, he retains vague laboratory memories. These memory fragments will gradually become clear with evolution, guiding him to find the truth.
