I understand you're looking for "Plague Inc." on Unblocked Games 66 (often meaning the 66 EZ or similar school-friendly game portal).
The same developers made Rebel Inc., which is about stabilizing a war-torn country. It uses the same strategy engine (micro-zones, reputation, insurgents). It is often allowed because it is a "geo-political simulator" rather than a "death simulator." plague inc unblocked games 66 updated
Keywords used: Plague Inc Unblocked Games 66 Updated, Plague Inc browser, unblocked games 66, Neurax Worm, Greenland problem, strategy guide, school proxy. I understand you're looking for "Plague Inc
Unblocked Games 66 is a proxy website that hosts browser-based versions of popular games, allowing users (typically students) to bypass network restrictions on school or workplace Wi-Fi. The same developers made Rebel Inc
Veteran players know the frustration of "The Greenland Problem." In the standard game, Greenland almost never gets infected because it has a single port and cold weather.
Logline:
In a world of firewalls and blocked URLs, one browser game gave students the ultimate power—to end humanity, one sneeze at a time.