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Strains

From CM-SS13 - Wiki

Xeno Mutations

Xeno mutations are straight buffs to certain aspects of a caste or hive. All of the current mutation options can be found listed below.


  • Each Maturation (Young | Mature | Elite | Ancient) you will gain 6 points to spend on a mutation of your choice.
  • When you evolve you will lose all the mutators you previously picked.


How to buy and see your active mutators:

Under the Alien tab you can buy mutations for yourself with the Purchase Mutators verb, to buy mutations for the hive (as the Queen) click on the verb Purchase Hive Mutators and lastly to view the Hive and your own currently active mutations click on the List Mutators verb.

Standard Mutations

Mutation: Description: Point Cost:

Boost Health

When bought, can be used to boost the hives stats (If playing as the Queen) or your own.
  • Will stack if purchased for the hive and individually.
  • The Damage mutator only applies to slash, not spit, and not to any other ability.
  • The Plasma mutator boosts both reserves and recovery.
6 Points

Boost Armor

Boost Damage

Boost Plasma

Boost Speed

When bought, can be used to boost the hives stats (If playing as the Queen) or your own.
  • Can only be bought once.

Boost Acid

Objects you spew acid onto will melt faster.
  • Will only affect the individual who buys this mutation.
  • Only affects melting acid, it doesn't affect spit.

Applicable Caste(s): Drone | Hivelord | Praetorian | Queen | Sentinel | Spitter

Faster Pulling

Increases your pull speed.
  • Can only be bought once.

Wider Gas

Increases Boiler gas radius by 1 tile.
  • Will only affect the individual who buys this mutation.
  • Can only be bought once.


Applicable Caste(s): Boiler

Boost Pheromones

Increases pheromone strength.
  • Can only be bought once.
  • Will stack if purchased for the hive and individually.


Applicable Caste(s): Carrier | Drone | Hivelord | Praetorian | Queen

Hardy Weeds

Boosts weed growth speed, HP and spread radius.
  • Can only be bought once.
  • Will stack if purchased for the hive and individually.


Applicable Caste(s): Carrier | Drone | Hivelord | Burrower | Queen

Hive Only Mutations

These Mutations can only be brought by the Queen and once she dies her chosen hive mutators will stop.

Mutation: Description: Point Cost:

Infusion of Larva

Gives the hive an additonal 5 stored larva.
  • Can only be brought once.
  • If brought by a previous Queen this mutation cannot be purchased again.
6 Points

Faster Maturation

The hive matures at a faster rate.
  • Can only be brought once.

More T2 and T3 Slots

Adds additonal T2 and T3 hive slots.
  • Can only be brought once.

More Leaders

Adds 2 xeno leader slots.
  • Can only be brought once.