The latest issue of PSM Spain has a new article on Grand Theft Auto IV, with 20 new screenshots and the first details on GTA IV's multiplayer system. Here is a list of the new information, which is being updated constantly:
  • There are 15 multiplayer game modes in GTA IV. PSM had an opportunity to play 7 of them. The rules of each game are determined by the host.
  • Multiplayer supports upto 16 players.
  • Your online character is fully customizable. You can alter his race, sex, hair, clothing etc.
  • The game modes featured are as follows:
    1. Hangman's NOOSE
    2. Car Jack City
    3. Bomb da Base
    4. Bomb da Base II
    5. Mafia Work
    6. Team Mafia Work
    7. Deathmatch
    8. Team Deathmatch
    9. Turf War
    10. Cops N Crooks
    11. Race
    12. GTA Race
    13. Deal Breaker
    14. Free Mode
    15. Car Jack City
  • In Race and GTA Race, the host gets to decide which vehicles are involved, and the number of laps to be played. You can shoot and throw molotovs from the window, and even steal your rivals' car.
  • In Deathmatch and Team Deathmatch, the host gets to decide the number of pedestrians, the amount of traffic, the intervention of police, and the type of weapons.
  • In Cops N Crooks, one team play as cops and the other play as criminals. The cops must stop the criminals from escaping. They can monitor the locations of the criminals on their GPS systems, while the criminals don't know where the cops are.
  • In Mafia Work and Team Mafia Work, you play as one of Kenny Petrovic's mafia henchmen. You must complete hits ordered by the boss (via your cellphone) before your rivals are able to.
  • The map used in multiplayer is the same map that is used for single player.
  • A single-player mission called "Hangman's NOOSE" features co-op. You and your friends will be able to escort a mobster, while being pursused by a SWAT team.
OMG!! So many game modes. And the whole map is open! 3 of your friends can get in cars and helicopters! Looks like this will have an epic 100 hour single player and a huge multiplayer mode aswell. Cant wait.

Source: www.gta4.net