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Sony PSP - Gangs Of London cheats

Unlock Bloody Hard difficulty setting
Finish Story mode once

Unlock Gang Bosses:
Finish the following task in Story mode to unlock the indicated Boss.

Finish the Zakarov tutorial - Zakharov
Finish the Water Dragon tutorial - Shan Chu Yang
Finish the Talwar Bros tutorial - Asif Rashid
Finish the Morris Kane Firm tutorial - Morris Kane
Finish the EC2 Crew tutorial - Mason Grant
Kill Andy Steele in Story mode - Andy Steele

Unlock bonus characters and cars in Free Roam mode
Finish the indicated task in Story mode to unlock characters or cars.

Take over the EC2 Crew HQ - Unlock EC2 Crew car
Take over the EC2 Crew HQ - Unlock Mason Grant
Take over the Kane Firm HQ - Unlock Morris Kane
Take over the Kane Firm HQ - Unlock Morris Kane car
Take over the Steele gang HQ - Unlock Andy Steele
Take over the Steele gang HQ - Unlock Andy Steele car
Take over the Talwar Brothers HQ - Unlock Asif Rashid
Take over the Talwar Brothers HQ - Unlock Talwar car
Take over the Water Dragon Triad HQ - Unlock Shan Chu Yang
Take over the Water Dragon Triad HQ - Unlock Yang car
Take over the Zakharov Organization HQ - Unlock Zakharov
Take over the Zakharov Organization HQ - Unlock Zakharov car