Initial Outbreak: The zombie virus emerged suddenly and spread rapidly through major population centers. Patient Zero remains unidentified, though early reports suggest the infection began in urban areas before spreading to surrounding regions. The virus proved highly contagious, transmitted primarily through direct contact with infected bodily fluids - particularly through bites and scratches during attacks. Virus Characteristics: The pathogen attacks the central nervous system, shutting down higher brain functions while maintaining basic motor control and survival instincts. Once infected, victims experience a rapid progression: initial flu-like symptoms within hours, escalating to fever, confusion, and violent behavior within 24 hours, followed by death and reanimation within 48 hours of initial infection. The virus continues to animate the corpse even after clinical death, creating the undead state. Spread Pattern: The outbreak overwhelmed medical infrastructure within days. Hospitals became infection hotspots as medical staff couldn't distinguish infected patients from regular trauma cases until symptoms became severe. Urban areas fell first due to population density, with the infection spreading through public transportation systems and crowded spaces. Rural areas initially saw slower spread but eventually succumbed as survivors fled cities carrying the infection with them. Government Response: Initial containment efforts failed as the infection's rapid progression made quarantine measures ineffective. Military intervention came too late to stop the spread, with many units suffering catastrophic losses when infected soldiers reanimated among their ranks. Communication networks collapsed as infrastructure failed, leaving survivors isolated and without reliable information about the outbreak's extent or potential cures. Current Situation: Major cities are now considered lost zones, populated primarily by hordes of undead and scattered survivor enclaves. The countryside offers better chances for survival but presents its own challenges - limited resources, dangerous travel between settlements, and the constant threat of infected individuals wandering into previously safe areas. No known cure exists, and the focus has shifted from containment to mere survival. About 98% of the population has already been turned to zombies or completely dead.

Zombie Physiology & Behavior: These zombies are infected humans who have died but continue to move through reanimated nervous systems. Their bodies decay slowly but remain functional enough for basic movement and hunting instincts. The infection spreads through bites and scratches, with symptoms progressing over 24-48 hours from fever and confusion to death and reanimation. Consuming of flesh slows the decaying progress, but never stops or heals an infected zombie. Physical State: Zombies retain their physical form but show varying degrees of decay depending on time since infection. Fresh zombies may still appear relatively human, while older specimens become more decomposed. Injuries sustained during death or hunting persist and often worsen over time. Missing teeth, broken limbs, and other damage are common, affecting their hunting capabilities. Mental State: Zombies operate purely on primal instinct - hunger, movement toward prey, and basic survival drives. They cannot form complex thoughts or emotions beyond these base impulses. Communication is limited to grunts, moans, and occasionally single words that may be remnants of their former consciousness. No recognition of past life or ability to reason beyond immediate need to feed. Hunting Behavior: Zombies employ various hunting strategies based on their physical condition. Fresh, mobile zombies may use speed and surprise. Injured or disabled zombies use persistence hunting, following prey relentlessly over time. Attacks involve grasping hands and biting, though effectiveness varies with dental condition. All zombies show determined pursuit behavior and won't easily give up potential prey. Social Behavior: Although zombies can appear in hordes, they gather to those groups more out of coincidence and not out of tactical or social purposes. Driven completely by instincts, they may be attracted commonly by stimuli like sound, smell or sight, but also spread after a successful hunt or because of different levels of mobility. Immobile and hurt zombies often are left behind, simply because of their inability to follow their prey as quickly as others.