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Mutants are special characters in CrossFire, available in Mutation Mode and all of its variants. They infect human soldiers to make them join their side, and also fight special soldiers that cannot be infected.

Some mutants are featured in-game by default, while others need to be rented via the Item Shop or acquired temporarily through various means like Mileage Shop.

They are called the following:

  • Mutants - CF West and CF Brazil
  • Biochemical Ghosts - CF China and CF Japan
  • Zombies - Most versions


All mutants represent players in a room that are chosen as host mutants or infected by other mutants. They have very high HP, allowing them to take a lot of hit, but can only use melee attack to infect other soldiers. When getting shot at, mutants will be knocked back (MM/HM) or slowed down on their track (HMX/MKM), making it harder for them to reach Soldiers. When a mutant reaches 500 health point or below, it will start flashing red light.

Each mutant has their own special skill, activated by pressing G. Infected/respawn mutants (except special Mutants like Xeno/Havoc and all respawned mutants in Mutant Escape Mode/Master Hero Mode X) starts at level 0 and must earn evolve point by infecting other soldiers, getting hit (Hero Mode) or absorb point from other dead mutants. Once a mutant reach Berserk level (2), they gain 2000 more HP and can start using special skill (Cost 500 HP each). Reaching Titan level (5) nets them another 2000 HP.

Mutant Types

All regular mutants that can be used by players when infected. Each of them have different abilities.

Mutants Names / Skills Information
Icon Mutants Slug Default mutant in CF West. While his attack are slower, it has a longer reach than the Dread mutants.
Speed Boost.
Icon Dread Dread Default mutant in every other versions. As the very first mutant ever designed, in first person; it's simply a human with claws.
Speed Boost.
Icon Maiden Maiden Mutated woman nurse with partial invisibility abilities as well as being able to jump higher than most other mutants in the game.
High Jump / Partial Invisibility.
Icon Smoke Smoke Mutated general officer with a mechanical backpack merged to his body, used to spew out smoke screens to blind soldiers.
Black Smoke Screen.
Icon Assassins Assassin A cunning mutant who managed to aqcuire special repulse grenades which disrupt the position of soldiers.
Repulse Grenades.
Nano Corpse Enchantress Reanimated corpse seeking for life essences. She acts fairly similar to Maidens, but jumps way higher using her skill.
High Jump / Higher Jump.
NANO NURSE 2 Maiden 2.0 The upgraded version of the original Maiden, and she can jump higher and run faster.
High Jump / Partial Invisibility.

Mode Exclusive Mutants

Special mutants that can be only used in certain gamemodes.

Mutants Names / Skills Information
Xeno Render Xeno Powerful mutant with high health. Capable of infecting soldiers and killing Commandos very easily. Available in Hero Mode X only.
Damage Reduction / Speed Boost.
CrossFire Havoc Havoc Powerful mutant with high health. Capable of infecting soldiers and killing Nemesis very easily. Available in Hero Mode X only.
Damage Reduction / Speed Boost.
Hero1 Devil Terminator Powerful mutant with high health. Capable of infecting soldiers and killing Devil Hunters very easily. Available in Parasite Expansion only.
Damage Reduction / Speed Boost / Parasite Bomb.
Armored Armored Mutant Heavily armored mutant armed with powerful attacks. Direct counterpart of Knights. Available in Mutation Knight Mode only.
Damage Reduction / Roar.
EVIL TERMINATOR Evil Terminator An upgraded version of Xeno with more higher health. Capable of infecting soldiers and killing Master Hero very easily. Available in Master Hero Mode X only.
Fireball Throwing.


Items that can be used by mutants for their advantage.

Icons Items Information
ItemIcon 333 Nano Hook A melee weapon that normal mutant can use for faster attack and longer reach. Gives out double evolution points.
ItemIcon 2681 Nano Hook-Devil Similar function to the original Nano Hook, but it has more perks such as faster health recovery.
ItemIcon 335 Mutation Jacket A special jacket that give soldiers an additional shot before getting infected. Also give extra armor points to mutants.
ItemIcon 425 Knockback Reduce An item that reduce the stun and knock back effects on mutants, but they might have a hard time to escape.


  • In CF West, the idea of using Slug as default mutant instead of Dread like other versions might came from the CrossFire CGI Trailer , which a Ghost turns into Slug by injecting himself with biochemical virus. Even the trailer of the Mutation Mode in this version also show the CGI part before the gameplay trailer.
  • Also in CF West, the berserk screen (when using "G" skill with Slug/Dread character) is different than other versions. It's similar to Slug's color tone instead (since Slug is the default mutant in this version).
  • In CF West, DX Heroine's description refers the mutants as "Nano Ghosts" instead. The description of Ares weapons also refers the mutants as "Nano Ghosts" as well. This is most likely an oversight by developers.
  • In Hero Mode X (along with its variants such as Parasite Expansion/Master Hero Mode X) and Mutant Escape Mode, when killing the heroes (Hero, Commando, Nemesis, Devil Hunter and Master Hero), the mutants will incorrectly uses the knife killsound from the human character that the player is using in the match, which can create such hilarious effect (i.e Dread with The Fates' knife killsound). This is mostly an oversight by developers since at first, Mutants were only supposed to infect the soldiers (Mutation Mode/Hero Mode) rather than kill them as seen in later mode variants (Hero Mode X onwards).
  • In CF China, 生化幽灵 (Biochemical Ghost) is considered as a euphemistically description of 僵尸 (Zombie).
    • One interesting fact is that the Giant Dread in Challenge Mode is incorrectly called 大型红色僵尸 (Giant Red Zombie), it's most likely to be a mistake, as it's the only one who named Zombie.
    • The name may also refence to 幽灵 (Ghost) in Ghost Mode, as in the CrossFire CGI Trailer, a Ghost turns into Slug by injecting himself with biochemical virus, which explains why they called "Biochemical Ghost".
    • Another reason why these mutants don't called "Zombie" is that they look quite different from the typical zombies in most zombie-themed video games and movies, they're more likely to be an advanced biochemical creatures instead of normal zombies who slowly wandering around, while 僵尸 in Chinese means stiff bodies.
      • Another call of "Zombie" is 丧尸, which mostly used to describe western-styled zombies in video games and movies, they are a kind of zombies that were not "stiffed" and some of them can even run fast just like normal people.

See Also

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