Use any explosives (rocket launchers, grenade launchers, and molotov cocktails) to blow up buildings. When throwing an item into a building, face a window directly and it will go right in. Destroying buildings is a great way to get a lot of money.
Game Shark Codes
Master Code (Must Be On) 0E3C7DF2 1853E59EEE87A1F2 BCC4CC52
Infinite Time CE813A72 BCA99B84
Infinite Health CE813A76 BCA99B84
Infinite Gun Ammo CE813A7E BCA99B84
Unlock All Characters CE812FF6 BCA9A2A2
Punch Off Heads CE813A06 BCA99B84
More Looting CE813A02 BCA99B84
Always Tiny Mode CE813A0E BCA99B84
Always Huge Mode CE813A0E BCA99B85
Press L3 for Tiny Mode 0E810438 BCA99A80CE813A0E BCA99B84
Press R3 for Huge Mode 0E810438 BCA99A7ECE813A0E BCA99B85
Press L3 + R3 for Normal Mode 0E810438 BCA99A7CCE813A0E BCA99B83
High Score DE8140C2 C19E7B82DE8140CE C19E7B82
Low Total Time DE8140E2 FBE4563B
Chaos Complete (All Chaos Levels & Modes Available) CE813EFE BCA9FA7CCE812EFE BCA9FA7C
Revolution Complete (All Revolution Levels Available) CE813F06 BCA99B8C