Awesome and Never Dull Five Years On
GTAIII did take a long time to finish, but that is because their was so many branching modes to completed ranging from the awesome storyline, even though the main character doesnt speak, you the occasional grunt. But it has much more, the Hidden Packages will take time to find, Car List, Extra Missions and Rampages.
Plus the best thing you can do in GTa is to have your own Rampage just shoot some cops get a good gun or Rocket Launcher and have your criminal rating sour through blowing helicopters and cars up and get that awesome * * * * * * wanted Level