Item from Plague Inc. by Ndemic Creations
The closer — the most lethal symptom in the game, evolved when it's time to stop spreading and start killing.
Total Organ Failure is the nuclear option. It's the symptom you evolve when you've decided that enough of the world is infected and it's time to convert infections into corpses. Its lethality rating is the highest of any symptom in the base game, and evolving it is often the point of no return — the moment the cure research spikes and the race to extinction begins. The strategic timing of Total Organ Failure is one of Plague Inc.'s deepest skill checks. Evolve it too early and you kill hosts faster than the pathogen can spread, leaving island nations uninfected. Evolve it too late and the cure finishes before enough people die. The sweet spot — global saturation followed by sudden lethal evolution — is the fundamental rhythm of the game, and Total Organ Failure is the crescendo.
On the symptom evolution screen, Total Organ Failure sits at the apex of the lethality branch — a red-glowing node connected to multiple prerequisite symptoms. Its icon suggests systemic collapse: multiple organ systems failing simultaneously. The tooltip reads like a death sentence because it is one.
Also known as: TOF, Organ Failure, The Closer