First correct question

First two correct questions

Try to fail, once

Bad circuits locked out

Play each round type once in a single session

Answer correctly within the first 2 seconds

Answer incorrectly within the first 2 seconds

Answer all questions in a single category

Play a four-round game

Play 4 four-round games

Play an eight-round game

Play 4 eight-round games

Answer all questions in any 2 categories

Answer all questions in any 4 categories

Play 8 true/false rounds to unlock

Play 8 picture rounds to unlock

Lose all 4 questions in a memory round

Win a memory round

Play 2 memory rounds to unlock

Play 8 memory rounds to unlock