The player may run, jump, or drive vehicles to navigate the game's world. The islands are unlocked for the player as the story progresses. Outside of missions, the player can freely roam the game's open world and has the ability to complete optional side missions.Composed of two main islands and several smaller areas, the world is much larger in area than earlier entries in the series. It is possible to have several active missions running at one time, as some missions require the player to wait for further instructions or events. The player controls criminal Tommy Vercetti and completes missions-linear scenarios with set objectives-to progress through the story. Grand Theft Auto: Vice City is an action-adventure game played from a third-person perspective.