• The NASDA Satellite Array was developed as the ultimate nuclear deterrent...
  • ...however, it turned out to be mankind's executioner.
  • Nuclear weapons strike North America
  • Nuclear winter in a ruined city.
The Collapse refers to a period in time in the fictional Warzone 2100 universe where civilization throughout the Earth collapsed from nuclear winter.

On November 3rd, 2085, during a routine test session of the NASDA systems, a fault developed, causing the NASDA satellites to launch nuclear missiles at every major city in the world. When the nuclear counterstrikes were launched against North America, NASDA anti-missile systems failed to defend against them.

It is later discovered that NEXUS was responsible for starting the Collapse.

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