"The rules are simple, get to the finish line and do not die"
When you die, your soul becomes part of a game of bargain between gods and spirit where you have to fight for entrance into the after life and the favor of gods. Only 200 people will get to the gates.
Every single knowledge, skills and experience you've had in your previous life is training and will serve as your powers in the game.
This is not a game for NEETs and nihilists like Troy and Fenn.