This tests your maths skills out. You are able to choose between three difficulties and the computer will randomly select an amount of correct and incorrect questions. You have to get as many right as you can in the quickest time. Time penalties are awarded for wrong answers and your fastest time will be saved in local storage so you can compete to get the quickest score.

Taken from the show The Big Bang Theory, in the style of rock, paper, scissors. You compete against the randomly generated answers from the computer. Each time you win the confetti.js provides animated confetti on screen.