EX Game mode:
Finish the game once to enable an option that allows
the game to be played in a new mode. This mode also includes access
to the Chrysler Building shortly after Day 2.
If you let Wayne store your Medicines, Cards, Or Mod permits
before you complete the game, you will start with those items
in Wayne's storage in the EX Game mode.
Extra points:
Finish one day without saving the game to receive
extra BP 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:
Press Select at the city map screen to track
the helicopter as it flies around the city.
Tool:
A super tool can be found in the sewer, in one of the
dead ends. When you climb down from the ladder, go to the left
and check all the dead ends. After reaching one, stop and check
along the left side. about half-way up. The tool will glitter.
AT4 bazooka:
Get a lot of medicine and a high level. The AT4 can
be found in the warehouse when you are going to China Town.