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Playstation - Urban Chaos cheats

Refill energy and unlock all weapons
During a game play, hold Triangle + Circle + Square + X buttons and 
push Right button to restore your energy and get all weapons.

Select any stage
Hold L1 + R1 + Select + Start at the title screen to reveal all areas 
at the map screen.
OR
Hold R1, L1, Start, Square, at the title screen.