Instructions
Turn on the game. Select "Multiplayer" from the main menu. From the screen that loads, select "Play."
Select "PlayStation Network." Select "Find a Lobby." Select "Hardcore" as the difficulty setting and "Headquarters" as the game mode. You will automatically join an available lobby that matches these settings.
Use the left directional stick to highlight your user name from the right side of the screen. Press the "Square" button to view your Hardcore Headquarters ranking in the game. The ranking will be compared to all other players in the same lobby.