GRAND THEFT AUTO IV LAND

Known Facts:

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Warning: The following information contains game spoilers. If you think that reading this information may ruin the hype for your GTA IV experience then do not read it.

The game is set in 2007, In Liberty City.
A big part of the game is delivering story in new ways and allowing the player to plot their own destiny
The map is smaller than San Andreas, But a lot more detailed.
The Statue of Liberty is called The Statue of Happiness.
Rockstar have been working very hard on the targeting system - expect it to be a big improvement from previous games.
There will be NO planes. Rockstar have said they want the game to be realistic.
You will use your cell phone to call contacts.
DUMBO (Down Under the Manhattan Bridge Overpass) is 'BOABO (Beneath the Offramp of the Algonquin Bridge)'.
GTA IV contains 4 parts of New York (Brooklyn, Manhattan, Queens, The Bronx) and a part of New Jersey. Which have been renamed in the game to 'Broker', 'Algonquin', 'Dukes', 'Bohan' and 'Alderney'.
Realism has been upgraded, in terms of Pedestrians not walking around like mindless zombies.
Multiplayer modes in GTA 4 are still to be announced, however, Rockstar have said it won't be a massively multiplayer online game. They are making something interesting, fun and progressive, and which ties in with single player gameplay.
No loading screens... this due to a longer loading time at the start of the game.
Multiplayer won't be MMO style, but will fit better to the single player experience
Bellic arrives in Liberty City as he has been receiving emails from his cousin, Roman. At the start of the game, he is the only person you know.
Pedestrians are a lot more realistic, and do things such as smoke, sit on benches, read, go shopping, eat, and more...
While making the game, Rockstar consulted crime experts and ex-policemen and found that being a criminal is much more difficult now than it was during previous decades, so they have tried to reflect this in the game. Expect to see people getting arrested as the police are a heavy presence.
As Rockstar North are approaching the recruitment of voice actors in a different way. We probably won't hear any recognisable voices in GTA 4 because they are looking for voices that suit the attitude of the characters - This approach is also being carried over to the soundtrack, where R* are looking for music which works well with the modern day Liberty City.