Non-playable character
There are somecharacters that are not roled by the players. The list below shows thenon-playable characters (NPC) inCounter-Strike Online.
Missions[]
- Senior Researcher Soy or Doctor Aegis: A Weapon development researcher forzombie countermeasure purpose.
- Evelyn: An unidentified female character.
- Signalman Felix: A signalman of government.
- Douglas Jacob: An unknown agent from government.
- Commander Victor: An american troop's captain.
- Red Lizard Jim: Head in charge of aPMC group(PrivateMilitaryContractors).

Craft[]
- Henry Stoner: A master craftsman who has accumulated a lot of gun manufacture experience throughout his years of craftsmanship.
- Gunsmith: A craftswoman who's best known because of her creativity and art when it comes to weapon designing.
Troops and Zombies[]
- Regular Zombie: Normal zombies with medium attack damage and speed. The origin one has higher health.
- Light Zombie: Has faster movement speed, attack rate and is harder to be killed than regular zombies although it has lower health.
- Heavy Zombie: More durable and does higher damage than regular zombies, but moves slower. Can release a trap to lock human's movement for a while.
- Voodoo Zombie: An infected witch doctor that heals other zombies and has greater health points.
- Psycho Zombie: An infected surgeon who releases a black smoke to disturb human's concentration.
- Sting Finger: An infected female researcher who has a longer range attack which deals higher damage than regular zombies.
- Venom Guard: An infected security guard who explodes upon death. The death blow can injure and knock humans away.
- Pierrot: A weak, harmless snowman which appears in Bonus Rounds only.
- Hound zombie: A stray guard dog which was infected by the zombie virus.
- Parkour Zombie : A zombie which first appears inOmen with the ability to climb up walls.

- Deimos: Appears as a mini-boss, both his original variant and host variant.
- Ganymede: Evolved version ofDeimos which appears as a mini-boss or boss (extra-chapters).
- Juggernaut: Evolved version of theHeavy Zombie which appears as a mini-boss or boss (extra-chapters).
- Normal Titan: The mini-boss which appears inAttack On Titan only.

- Crasher Zombie: Blue colored Heavy Zombie which has stronger health and attack power.
- InThreat chapter, there are also blue colored Regular Zombies, however, their function and health has no different with normal Regular Zombies.
- InHell Ride, starting from Day 22, blue coloredJuggernaut will appear. However, their function and health has no different with normal Juggernauts.
- Pursuer Zombie: Purple colored Light Zombie which has fast movement, high jump and extreme attack damage.
- Stalker Zombie: Black colored Light Zombie which has slightly faster movement.
- InEnvy Mask chapter, there are also black colored Regular Zombies with the same function.
- Thrower Zombie: Green colored Regular Zombie which throwsZombie Grenade.
- Enhanced Zombie: Orange colored Regular Zombie which has high health and attack power.
- Red-colored Zombies: Unknown by name, these zombies have slightly higher health and attack power. They appear with different types of the origin zombies. They make their first appearance in Round 2 ofLast Clue.
- Dark-yellow-colored Zombie: Unknown by name. These zombies have higher health and attack power. They appear with Origin Regular Zombies inDouble Gate hard level in round 16 and can throw Zombie Grenade like the Thrower ones. However, after Scenario Re:boot, they don't appear anymore. In other hand, they appear with different types inDecoy,Angra Nest,Threat but cannot throw grenades.
- Dark-blue-colored Ganymede: Unknown by name, these zombies appear inNew Zombie Shelter maps, and have the same functions with normalGanymede.
- InDesert Plant, whenAngra appears, it will fly to the player's shelter to throw someVenom Guards and other special zombie types, which come in a dark-blue colored skin. Those zombies have more health and damage than normal ones.
- Red-colored Parkour Zombie: Unknown by name, they share the same performances as normal Parkour Zombie, except higher attack power and slower movement.
- Different colored zombies inZombie Scenario Hard 2 ~ 9:
- Orange-colored Origin Regular Zombie: These zombies throw Zombie Grenade. They are similar to Thrower Zombies but make higher damage.
- Orange-colored Light Zombie: These zombies have fast movement and make high damage.
- Green-colored Voodoo Zombie: These zombies have high HP than normal Voodoo Zombies.
- Green-colored Venom Guard: These zombies make high damage (by both attacking and exploding).
- InLast Ride chapter, it also appears to assistCrono Wing attacks the players during round 1.

Boss[]
Zombie Scenario[]
- Prototype Phobos: A boss which appears inLast Clue andNightmare.
- Siege Type Phobos: A boss which appears inChaos and Nightmare.
- Oberon: A boss which appears inDead End and Nightmare.
- Dione: A boss which appears inToxicity andPoisoning.
- Siege Type Dione: A boss which appeared inCulvert andDecoy, but can't be harmed.
- Revenant: A boss which appears in Decoy and Poisoning.
- Angra: A powerful boss which appears inAngra Nest and Poisoning.
- Mutated Heavy Titan: An infectedHeavy Titan which appears inContact andIllusion.
- Bio Scorpion: A mechanic scorpion which appears inBehind and Illusion.
- Mad Machine: A boss which appears inThreat,Panic Room (mini-boss) and Illusion.
- Kraken: A boss which appeared in Panic Room.
- Frozen Terror: An infectedYeti which appears inEncounter, and as mini-boss inEnvy Mask andParanoia.
- Gluttony: A fat, dragon-like boss which appears inConspiracy and Envy Mask (hologram only).
- Neid and Zavist: Two mutated females clones who appeared in Envy Mask and Paranoia (mini-bosses).
- Dr. Rex: The mad scientist who finally had shown up in Paranoia and infected himself with the zombie virus.
- Kraken: Appeared as a mini-boss in Paranoia, but only the tentacles.
- Laser Wing: An infected grasshopper-like creature which appeared inOmen.
- Jack: An escapee fromRex Lab after the zombie virus outbreak incident but later he failed and was infected by zombies, became an evil seeking for revenge inMemories.
- Crono Athletic: A boss which appears inAnother Truth.
- Crono Wing: A boss which appears inLast Ride.
- MX2000: Man-operating giant robot which appeared inEpisode Choi.
- Mr. X Zombie: A creature that can swim in water which appeared inEpisode Choi.
- Condemned Criminal Unarmored: A half-infected Terrorist leader with chainsaw which appeared inEpisode Victor.
- Condemned Criminal Armored: Armored version which appeared inEpisode Victor.
- Tyrant Crab: An infected crab-like creature which appeared inEpisode Lucia.
- RAH-66 Comanche: A boss which appeared inEpisode Carlito.
- Agent Jay: An assistant of Douglas which appeared inEpisode Carlito.
- Agent H: An assistant of Agent Ritsuka which appeared inUpcoming Threat.
Attack On Titan[]
- Armored Titan: A leader of the Titans who appears inIllusion (Attack On Titan mode only).
Human Scenario[]
- RAH-66 Comanche: A boss appears inDesert Storm andHellfire to engage the players. InSidewinder, it becomes the players' ally.
- V-22 Osprey: A boss appears inBlaze.
- XT-300 Goliath: A boss appears in Sidewinder.
Scenario guide[]
- Choi Ji Yoon: Appeared to support the player inChaos.
- Senior Researcher Soy or Doctor Aegis: Appeared to support the player in all the chapters of Zombie Scenario 2 (including extra-maps).
- Norman: Zim's most trusted person, appeared inContact,Threat andIllusion.
- David Black: An AFC member, appeared inBehind, Threat, Panic Room and Illusion.
- Erika: An AFC member, appeared in Behind, Threat, Panic Room and Illusion.
- Victor: Appears to support the player in Illusion.
- Red Lizard Jim: Appears to support the player in Illusion.
- Gerard: Appeared in all chapters of Zombie Scenario 4 to support the player.
- Red Lizard Jim: Appeared to support the player in all the chapters of Zombie Scenario 4.
- Unknown NPC (Dr. Rex): Appeared inConspiracy andEnvy Mask as mysterious antagonist character.
- Dr. Rex: Showed his true face in Envy Mask and later inParanoia as final boss.
- Jennifer: Appeared in all chapters of Zombie Scenario 5 to support the player.
- Jack: Appeared inMemories as main antagonist character, who was infected and became the boss.
- Dr. Rex: Appeared in Memories when talking to Soy (in memory of Jennifer).
- Soy: Appeared in Memories when talking to Dr. Rex (in memory of Jennifer); inAnother Truth andLast Ride to support the player.
- Choi Ji Yoon: Appeared to safety herself and support the player inEpisode Choi.
- Ritsuka: Appeared to support the player inEpisode Choi.
- Mei: Appeared to support Choi and the player inEpisode Choi.
- Mr. X: Appeared inEpisode Choi as main antagonist character and boss.
- Commander Victor: Appeared to safety himself and support the player inEpisode Victor.
- Norman: Victor's most trusted person, appeared inEpisode Victor.
- Evelyn: Appeared to support victor and the player inEpisode Victor.
- Chen: Appeared to support victor and the player inEpisode Victor.
- Rowen: Appeared to support victor and the player inEpisode Victor.
- Soi: Appeared to support victor and the player inEpisode Victor.
- Lucia: Appeared to safety herseft and support the player inEpisode Lucia.
- Enzo: Appeared to support Lucia and the player inEpisode Lucia.
- Carlito: Appeared to safety himself and support the player inEpisode Carlito.
- Douglas Jacob: Appeared inEpisode Carlito as main antagonist character.
- Choi Ji Yoon: Appeared to support the player inAll-Out.
- Ritsuka: Appeared to support the player inAll-Out.
- Mei: Appeared to support the player inAll-Out.
- Commander Victor: Appeared to support the player inAll-Out.
- Soi: Appeared to the player inAll-Out.
- Carlito: Appeared to support the player inAll-Out.
- Jennifer: Appeared to support the player inAll-Out.
- Gerard: Appeared to support the player inAll-Out andLowdown.
- Red Lizard Jim: Appeared to support the player inAll-Out.
- Lucia (Special Agent): Appeared to support the player inRendezvous.
- Enzo: Appeared to support the player inRendezvous.
- Suspicious Man (Axion): Appeared to support the player inRendezvous.
- Suspicious Woman (Aetheris): Appeared to support the player inRendezvous.
- Raven: Appeared to support the player inRendezvous.
- Pirate Michaela: Appeared to support the player inRendezvous.
- David Black: An AFC member, appeared to support the player inRex Labs andLowdown.
- Erika: An AFC member, appeared to support the player inRex Labs andLowdown.
- Evelyn: Appeared to support the player inElectron andVoid Zone.
- David Black: An AFC member, appeared to support the player inUpcoming Threat.
- Erika: An AFC member, appeared to support the player inUpcoming Threat.
- Agent Ritsuka: Appeared inUpcoming Threat as main antagonist character.
- Commander Victor: Appeared to support the player inUpcoming Threat.
- Dominique: Appeared to support the player inUpcoming Threat.
- Pop Star Alin: Appeared to support the player inUpcoming Threat.
- Unknown NPC (Gerard): A member of theCounter-Terrorist appeared to guide the remainining survivors to escape from the zombies inHitchhiking.
- Red Lizard Jim: Appeared to guide the remaining survivors to escape from the zombies in Hitchhiking.

- Victor: Appeared to support the player inDesert Storm,Hellfire andSidewinder.
- Red Lizard Jim: Appeared to support the player inBlaze and Sidewinder.

- Felix: Appeared to support the player inCity of Damned (Old).
- Unknown NPC: A mysterious man appeared to support the player inNew Zombie Shelter.

- Felix: Appeared to support the player.

- Soy: Appeared as main character in allZombie File maps.
- Unknown NPC (David Black): A mysterious man appeared to support Soy (the player) inThird Report.
- David Black: Revealed himself at the end of Third Report to save Soy.

Events[]
- Mosquito - Insect which appears in Zombie modes during summer, to be killed to obtain great prizes.
- Kite - A flying 'monster' which appears during Lunar New Year.
- Zombie Balloon - A babyHeavy zombie balloon that appears during Zombie Balloon events.
- Teddy Terror: A boss which appears inNightmare and only during a specificevent.
- Light Zombie Boss: A boss which appears inNightmare and only during a specificevent.
Gallery[]
|