
The protagonist of the plot of Grand Theft Auto iv, Niko Belic, is a war veteran and immigrant from Eastern Europe, who comes to Liberty City on his cousin Roman`s behest, looking forward to a better life and to run away from his troubled past. But once there he is harassed by mob bosses and loan sharks, and you will find his journey through GTA 4 Liberty City, navigated by a vehicle or by foot, to fulfil objectives. Throughout the single player mode the gta iv liberty city is played from a third person perspective.
The Grand Theft Auto 4 also has two additional Episodes from Liberty City (EFLC), namely The Lost and Damned and The Ballad of Gay Tony, which continues GTA 4`s storyline along with new characters and was released post the release of it as downloadable content (DLC). The EFLC disc can be played directly from the disc and was released with the DLC of The Ballad of Gay Tony on 29th October, 2009 for Xbox 360 platforms and for PlayStation 3 and Microsoft Windows it was released alongside DLC releases on 13th April 2010.
Cheat codes for GTA 4 can be activated by entering the codes as phone numbers on Niko’s mobile phone and pressing the call button. The cheat codes for EFLC differ from those for GTA 4 but they too are dialled from the phone via player’s keyboard and cheats are available for weapons, vehicles and health for both episodes.