This game is played by creating a parallel universe with one difference to this one. The next poster will then state the result due to the difference, and make his/her own universe.
Example:
User 1: There is a parallel universe where people greet each other by smashing their knees together.
User 2: As a result, humans are no longer able to walk. There is a parallel universe where men have breasts.
There is a parallel universe where the sky is bright red.
As a result, there are no trollers asking Christians why didn't God make the universe perfect and instead turn to asking Satanists why didn't Satan make the world flawed and everyones heads explode over how satanists can exist in this world.
There is a parallel universe where keyboards are all azure.