Zombie

Zombie is a faction in Counter-Strike Online. It appears in Zombie Mods, Zombie Scenario, Zombie Unite and the Manga series.

Background
Zombies were borned when Rex Research Institute were experimenting on living things. They later escaped from the laboratory and starts infecting humans. They were first seen in Abyss and later in other maps. During chapter Chaos, they rised to the surface and infect people in Habana Vieja. Dr. A was seen chasing by a zombie after the Rex Virus Incident.

Zombie: The Origin
After 20 seconds before a round, one or two of the players are chosen to become a host zombie (This depends on the number of players). The host zombie must turn all of the humans by hurting them with melee attacks. Hurt humans will turn into normal or regular zombie and must attack humans. Zombies win the round after all of the humans have been infected. On the other hand, the humans must either kill all zombies or survive the round unscathed in order to win.

Zombie: The Mutation
New zombie types; Light zombie, Heavy zombie and Psycho zombie have been released and start to infect humans. They have new abilities that can regenerate their lives and evolute with humans' blood.

Zombie: The Hero
New playable characters: Hero and Kate (Heroine). These characters each hold exclusive weapons and the zombies are able to revive. However, each zombie kills will increase surviving humans' strength by 10%. Increment applies to all humans.

Zombie Scenario
After 20 seconds of a round, AI-controlled zombies appear to attack humans. Unlike Zombie Mode, the player is not turned into a zombie after being attacked but just decrease their health point. The players must survive the round in a certain amount of time to win, or reach to a point in the map. At the end of some map, the player must defeat a boss to win.

Category of zombies

 * Regular zombie
 * Light zombie
 * Heavy zombie
 * Psycho zombie
 * Heal zombie
 * Juggernaut - Mini boss, only appear in Zombie Scenario
 * Pierrot (only in Zombie Scenario)
 * Deimos - Toughest zombie
 * Ganymede
 * Banshee
 * Stamper
 * Jiang Si