Big Bang Theory

Big Bang Theory is a secret achievement released in the Rezurrection Map Pack. It requires the player to gain "sweet, sweet revenge". To get this achievement, the player must finish both parts of Richtofen's Grand Scheme.

Trivia

 * This achievement is named after the theory of the explosion that created the universe, "The Big Bang".
 * PlayStation 3 does not have a trophy equivalent for this achievement.
 * This achievement may also a reference of the sitcom The Big Bang Theroy