From the options menu, you will find the cheat menu. Go there and type in the password “5FINGERDISCOUNT” to unlock the Vulcan and the Flamethrower weapons.
Unlockable: Sceptre and Mini-Rockets
At the cheat code menu, enter password 10E6CUSTOMER.
Unlockable: All Cars
Head to the in-game cheats menu and insert 47GIV3MECARS to unlock all of the cars in the game automatically.
Unlockable: All Missions
To unlock all missions in the game automatically, insert IMFEDUPWITHTHIS into the in-game cheats menu.
