https://en.wikipedia.org/wiki/Big_Brother_(franchise)
Big Brother is a popular game show around the world and every nation has it's own version of it. What is your version.
Big Brother in Mordka is that twenty prisoners on Death Row compete to get out of the house alive. Contestants compete in challenges and the winner gets to pick two other housemates for execution but is automatically placed themself. The other housemates then vote on who get's executed. Once it gets to the final three, then Mordka decides on who wins Big Brother who is spared from execution.