New
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DS
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Playstation
3
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PSP
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360
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Older Systems
Dreamcast
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64
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2
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Unlock
Chapter 1 Completion Award:
Complete Chapter 1.
Unlock Chapter 2 Completion Award:
Complete Chapter 2.
Unlock Chapter 3 Completion Award:
Complete Chapter 3.
Unlock Chapter 4 Completion Award:
Complete Chapter 4.
Unlock Chapter 5 Completion Award:
Complete Chapter 5.
Unlock Chapter 6 Completion Award:
Complete Chapter 6.
Unlock Chapter 7 Completion Award:
Complete Chapter 7.
Unlock Chapter 8 Completion Award:
Complete Chapter 8.
Unlock Chapter 9 Completion Award:
Complete Chapter 9.
Unlock Gold Game Completion:
Successfully complete the game.
Unlock Compassion Award:
Let Serial Killer X live.
Unlock Revenge Award:
Kill Serial Killer X.
Unlock Chapter 1 Bronze Bird Award:
Find one bird in Chapter 1.
Unlock Chapter 2 Bronze Bird Award:
Find one bird in Chapter 2.
Unlock Chapter 3 Bronze Bird Award:
Find one bird in Chapter 3.
Unlock Chapter 4 Bronze Bird Award:
Find one bird in Chapter 4.
Unlock Chapter 5 Bronze Bird Award:
Find one bird in Chapter 5.
Unlock Chapter 6 Bronze Bird Award:
Find one bird in Chapter 6.
Unlock Chapter 7 Bronze Bird Award:
Find one bird in Chapter 7.
Unlock Chapter 8 Bronze Bird Award:
Find one bird in Chapter 8.
Unlock Chapter 9 Bronze Bird Award:
Find one bird in Chapter 9.
Unlock Chapter 1 Bronze Bird Award:
Find all six birds in Chapter 1.
Unlock Chapter 2 Bronze Bird Award:
Find all six birds in Chapter 2.
Unlock Chapter 3 Bronze Bird Award:
Find all six birds in Chapter 3.
Unlock Chapter 4 Bronze Bird Award:
Find all six birds in Chapter 4.
Unlock Chapter 5 Bronze Bird Award:
Find all six birds in Chapter 5.
Unlock Chapter 6 Bronze Bird Award:
Find all six birds in Chapter 6.
Unlock Chapter 7 Bronze Bird Award:
Find all six birds in Chapter 7.
Unlock Chapter 8 Bronze Bird Award:
Find all six birds in Chapter 8.
Unlock Chapter 9 Bronze Bird Award:
Find all six birds in Chapter 9.
Golden Bird Award:
Find all birds in the game.
Unlock Propaganda Report 1:
Find 9 metal pieces.
Unlock Propaganda Report 2:
Find 20 metal pieces.
Unlock Propaganda Report 3:
Find 29 metal pieces.
Unlock Propaganda Report 4:
Find 30 metal pieces.
Unlock Internal Affairs Report:
Find 20 metal pieces.
Unlock DUO Report:
Find 29 metal pieces.
Unlock Bronze Detective Badge:
Find the hidden television in Chapter 1.
Ripple Xbox 360:
Find the hidden television in Chapter 2.
Unlock Static Xbox 360:
Find the hidden television in Chapter 4.
Unlock Silver Detective badge:
Find the hidden television in Chapter 6.
Unlock Bird Bath Xbox360:
Find the hidden television in Chapter 7.
Unlock Test Pattern Xbox 360:
Find the hidden television in Chapter 8.
Unlock Gold Detective badge:
Find the hidden television in Chapter 9.
Unlock Bronze Melee Master:
Complete a chapter only with melee weapons.
Unlock Silver Melee Master Award:
Complete three chapters only with melee weapons.
Unlock Melee Mayhem Award:
Wield every type of debris and entry tool weapon.
Unlock Gold Melee Master Award:
Complete all chapters only with melee weapons.
Unlock Firearm Freedom Award:
Wield every type of firearm.
Unlock Chief Investigator award:
Find every crime scene clue.
Sprinting
Sprinting is not that useful on stairs. Save it for level surfaces.
Guns
As with all guns, it is best to save the revolver for fights against multiple
enemies (or against exceptionally tough loners). Particularly weak enemies
can be finished off with a combination of Taser and kicks instead.
Strategic dropping
Drop important weapons and tools near distinctive objects or in easy-to-find
spots. By doing this, you will not have to search for them later.
Big melee weapons
If you want to use big melee weapons, practice hanging back, then veering
ahead far enough to hit your enemy with your weapon. Then, drift back.
This makes the most of your weapons' superior reach and keeps you away
from your opponents' faster weapons.
