Plague Inc. Achievement Guide: How to Unlock Secret Events and Combos
To earn secret achievements in Plague Inc., play on Casual difficulty, bank DNA points for specific symptom combos, and track vital news pop ups.
More Plague Inc. guides, page 3.
To earn secret achievements in Plague Inc., play on Casual difficulty, bank DNA points for specific symptom combos, and track vital news pop ups.
Win with the Neurax Worm in Plague Inc. by starting in a dense nation, routing Trojan Planes to islands, and evolving symptoms to Transcendence.
Speedrun all plagues on Mega Brutal in Plague Inc. by opening in Saudi Arabia or India, rushing Air and Water traits, and spiking lethality after Greenland.
Win the Voice that Soothes Me scenario in Plague Inc. by prioritizing low severity transmission until all islands are infected before evolving lethality.
To beat Brutal difficulty in Plague Inc., maintain zero severity to avoid cure research, infect every country, and pivot to lethal symptoms.
Win Bacteria on Normal in Plague Inc. by staying hidden until every human is infected, then evolve Total Organ Failure to wipe out the world.
To clear Mega Brutal in Plague Inc., unlock full gene sets in Casual mode, infect closed islands early, and delay lethality until worldwide reach.
Win standard Plague Inc. runs by keeping severity low to delay cure research, infecting every territory, and then pivoting to lethal symptoms.