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Lineage & Hosts
Each run is one generation of your virus. Strains mutate it, legacy bonuses carry forward, and every host has a genome and conditions of its own. Some hosts have fur, feathers or flippers.
Articles
LineageLineage & GenerationsEvery Infect Game Mode run is one generation of a single virus lineage. When a run ends you pick the mutation the next…24
MutationsStrains56 strains a generation can be born with: 20 boons (6 of them elite), 13 mixed, 19 curses that pay bigger rewards, and…56
HostsHosts & GenomeEvery Infect and Pandemic Game Mode run starts by landing on a random host: usually a person, sometimes an animal…38
Host conditionsHost ConditionsSome hosts live with a condition that bends the whole run, each with a big upside and a big downside. 22% of people…48
ZoonosisAnimal HostsMany viruses jump between species, and so can you. 19 animals live alongside people: about 1 run in 5 lands on one…20Key numbers
| Strains | 56 |
|---|---|
| Boon strains (6 of them elite) | 20 |
| Curse strains | 19 |
| Mixed strains | 13 |
| Virus-jump strains | 4 |
| Strain offers after every Infect Game Mode run | 3 (4 once a second virus is open) |
| Chance the parent's strain is offered again to stack | 50% |
| Chance of a virus-jump offer | 40% |
| Legacy bonus types | 10 |
| Most a single legacy bonus can reach (nucleotides / ambush) | +60% |
| Host genome traits | 27 |
| Animal signature traits | 7 |
| Genome tiers | 7 |
| Traits on a Prismatic host | 5 |
| Prismatic trait strength | ×3.2 |
| Host conditions | 48 |
| Animal hosts | 19 |
| Settings that decide which animals you can land on | 11 |
| Pandemic Game Mode cities with their own wildlife | 36 |
| Real-world places used in generation names | 29 |
| Finished generations needed for the last skill tree row | 10 |









