World's gameplay style is similar to 2005's Most Wanted and 2006's Carbon, with a focus on illegal street racing, tuning and police chases, and also adds some elements to the game such as "boosts" (something similar to Mario Kart). The world is set in a fictional city whose map design combines the cities of Rockport from Most Wanted and Palmont from Carbon, with redesigned graphics and the addition of new map locations connecting the two cities. The game featured over 100 licensed vehicles, consisting of many different variations. Manufacturers ranged from Alfa Romeo to Volkswagen, and there were over thirty manufacturers in play. Initially, after reaching a certain level, the player will not be able to advance further in the game and will stop earning experience points or money. To continue the game, the player needed to purchase a Starter Pack. Without it, the player was allowed to continue playing, but would stop earning experience and money. On September 8, 2010, to celebrate reaching 1,000,000 registrations, the game became completely free to play and the level cap was removed.