White Mesa, dedicated to studying the human world. Suffers a massive disaster.

Not the hardest end of the world I imagined. I survived. Now I want to live.

After getting hit by the nuclear blast in NYZ, Alex Mercer lands in a world full of ponies. He now wishes he was capable of death.

A so called 'Imortal Goddes' did somthing unforgivable. And Alex Mercer is going to give punishment...