Grand Theft Auto IV (also known as GTA IV or GTA 4) will be the ninth game, and the first in the fourth generation of the Grand Theft Auto video game franchise. It will be released worldwide on Tuesday, 29 April 2008 for both the PlayStation 3 and Xbox 360. The game is set in a redesigned Liberty City, based heavily on New York City and New Jersey. The game runs on the RAGE game engine, which also powered Rockstar Games presents Table Tennis. The game is being written by Rockstar co-founder Dan Houser.