生存30天 - Survive for 33 Days: Zombie Apocalypse Survival Fortress Shelter, Zombie Destruction Project Apocalypse Survival Fortress Apocalypse Shelter is a post apocalyptic survival simulation game that presents good graphics. Players will play in a strange and oppressive atmosphere. In addition to briefly staying at the shelter base and battling with zombie hordes outside, the protagonist often runs on dark rainy nights, collecting and crafting items and tools, rescuing refugees in danger, surviving, and waiting for the arrival of sunlight.