Opportunity Knocks

Opportunity Knocks is a level-specific challenge located in Opportunity. It requires the player to collect three ECHO recordings located throughout Opportunity, with information regarding the building of the city.

ECHO 1
The first ECHO is found on a bench just next to the vending machines when entering the city.

ECHO 2
The second ECHO is found on a bench in the center area, where Jack's Body Double is found during The Man Who Would Be Jack.

ECHO 3
The third ECHO is found on a bench in the far end of the city, on a bench near vending machines.