How do I unlock the Modify Genetic Codes without buying them?
In Plague Inc there are 25 genes to discover (5 per spot) that you can use prior to launching the game that gives you a boost / alters the gameplay.
It says:
"You can discover all of these genes - just by playing the game".
What in game combinations or actions trigger these Gene unlocks?

Best Answer
With the latest upgrade I've finally been able to insert genes by simply watching 30 second game ads...just try your unlocked genes and continue unlocking new ones.
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How do you unlock the genetic code modify?
Unlocking via gameplay You can unlock genes by playing the game in any difficulty. Beating any plague type unlocks a random gene. Beating a Necroa Virus game unlocks a random Necroa gene. Beating a Simian Flu game unlocks a random Simian / Artificial gene.How do you unlock genes in Plague Inc mobile?
You unlock genes from the collective pool, by simply beating the game with any plague. You unlock rarer diseases like Neutrax, Necroa, Simian, and Shadow Plague once you beat the game on brutal difficulty with every basic disease.How do you unlock everything on Plague Inc PC?
You unlock new plagues by winning with the previous one on Normal difficulty or higher. You unlock genes by winning on any difficulty (even casual). Do note that some genes are specific to certain plagues (Necroa, Simian Flu), so you have to replay it to unlock those specifically.Can I change my genetics?
Scientists have been able to alter DNA since the 1970s, but in recent years, they have developed faster, cheaper, and more precise methods to add, remove, or change genes in living organisms.Plague Inc - Unlock all Gens for Free
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Answer 2
From what I've seen, especially with the special disease types, you just have to win. To unlock the gene modifiers in the special diseases, you have to win with that type. I do not know if difficulty influences which ones you unlock, and I'm not sure if beating them on any difficulty will unlock a gene each time. I've beaten all but the zombie and simian flu diseases on brutal. I've unlocked two simian flu specials but none of the necrosis virus modifiers.
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