People will behave according to how you reward them, and so reward mechanisms ought to be as balanced just as you would like their performance to be. (canadianbusiness.com)
It all goes back to the high risk / high reward mechanism of gameplay which is utilized very well throughout the game. (thatvideogameblog.com)
But willpower just isn't enough when your brain's reward mechanisms kick in, thanks to the toxic influences of sugar and processed foods. (mindbodygreen.com)