Mutation
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Mutation is a gameplay mechanic that affects plague evolution. Mutation is the chance of a plague randomly evolving a symptom (or transmission or abilities with the proper Genetic Code) for free. Mutations can only evolve a trait if the trait is available to be evolved by the player. Mutation chance can be increased by Using the gene Darwinist the Viral Instability (Virus Only), The symptom Immune Suppression or the transmissions, Insect, Blood, Extreme Hematophagy, Bird, Rodent, Livestock and Extreme Zoonosis.
Starting mutation chance
Unlockable order | Disease Name | Mutation chance |
---|---|---|
1 | Bacteria | 0.5 |
2 | Virus | 2 |
3 | Fungus | 0.5 |
4 | Parasite | 0.5 |
5 | Prion | 0.5 |
6 | Nano-Virus | 0.5 |
7 | Bio-Weapon | 0.5 |
8 | Neurax Worm | 0.01 |
9 | Necroa Virus | 0.01 |
10 | Simian Flu | 1.5 |
11 | Shadow Plague | 0 |
Traits that affect mutation
- Bird 1 - +1
- Bird 2 - +2
- Bird 2
- +0.2
- Rodent 1 - +0.5
- Rodent 2 - +1
- Livestock 1 - +0.5
- Livestock 2 - +1
- Extreme Zoonosis - +3
- Blood 1 - +0.5
- Blood 2 - +1
- Insect 1 - +0.4
- Insect 2 - +1
- Extreme Hematophagy - +1
- Immune Suppression - +1
- Viral Instability 1 - +1
- Viral Instability 2 - +1.5
- Viral Instability 3 - +2
- Genetic Swap - +0.5
- Corpse Feeder 1, Corpse Feeder 2 - +0.1
- Mutative Regeneration 1 - +1
- Mutative Regeneration 2 - +2
- Segmented Genome - +2.5
- Saliva 1, Saliva 2 - +0.1
Genes that affect mutation
- Darwinist - +0.4
- Creationist - -0.4
Notes
- If a symptom evolved by mutation, it will not increase the costs of other symptoms (transmissions and abilities too with the correct genes.)