EX Game mode
Beat the game once to enable an option that allows the game to be played in a new mode.

Extra points
Complete one day without saving the game to receive extra points when the following day begins.

Extra ammunition
Return to the police station and open the box inside the weapon storage room to collect thirty bullets. This may be done a total of ten times during the game.

Track the helicopter
At the city map screen, press Select to track the helicopter as it flies around the city.