Unlike most traditional action games, which are structured as a single-track series of levels with linear gameplay, in GTA the player can determine the missions they want to undertake, and their relationships with various characters are changed based on these choices.
The Grand Theft Auto series, belonging to, and to some extent defining the genre of free-roaming video games called 'sandbox games', grants a large amount of freedom to the player in deciding what to do and how to do it through multiple methods of transport and weapons.