Like Grand Theft Auto, the expansion pack consists of several levels which the player must complete, in order to unlock the next one in the chain. All elements from the main game persist in London 1969, including achieving a target score to complete a level, doing jobs by initiating them at ringing phone-boxes, earning a multiplier for successful jobs, and making points from any form of action in the game. However, the expansion pack focuses on one setting for the levels - the real-life city of London during the late 1960s - and includes mostly aesthetic elements from the setting's period such as vehicles, and British slang ("Busted", the title used for being arrested, is replaced with the British equivalent, for example).