The game utilizes Grand Theft Auto's trademark "[[sandbox style]]" game layout. The player is free to do what he or she want's within the city limits, although the completion of "missions" is necessary to earn money and to advance the storyline to the point where different parts of the map and different cities within the game are unlocked. | The game utilizes Grand Theft Auto's trademark "[[sandbox style]]" game layout. The player is free to do what he or she want's within the city limits, although the completion of "missions" is necessary to earn money and to advance the storyline to the point where different parts of the map and different cities within the game are unlocked. |