Unlock Different Modes of Play:
 
To see everything the game has to offer, 
you'll have to unlock and play different
modes. Below is a list of game modes and
how to unlock them. 


Game Mode:                  How to unlock it:

Replay Mode and Bounty mode Complete the game once.

Scavenger Mode              Earn a total of 69,001 or
                            more in any mode.

Nightmare Mode              Beat Scavenger Mode.