Easy, a random person does a simple thing that leads to a chain reaction and changes the world in a major way.
The said person could do a simple thing, such as buy a fizzy drink, that will create a chain reaction that causes something huge, such as worldwide chaos. I will post the first thing, and people keep going and when it's gone on long enough i will announce that a new chain reaction has begun.
Rules: 1. USE GOOD GRAMMAR AND SPELLING so people can understand you. 2. BE CREATIVE IN YOU END RESULTS. Donât destroy the world every time. As exciting that would be in real life, it would get boring here after a while. 3. ONE EVENT PER POST! Donât explain the whole chain reaction in one post, by yourself. Write one event at a time. 6. MAKE IT LONG. A tiny event leads to a slightly bigger event which leads to a slightly bigger event which leads to, etc...
And remember to restart when the world or galaxy is blown up!
...then the guy became blind, he took out his gun and started to shoot at the other guy, but all bullets went everywhere, except the guy who he wanted to shoot, but...