5
Well technically there are 5, but the two smaller island known as Bohan and Happiness Island are just branches of one of the three main islands.
finish more missions
Currently there are following versions of gta or pc-- 1- GTA SAN ANDREAS 2-GTA 4 3-GTA VICE CITY 4-GTA 3 etc
4. gta 1 ,gta 2,gta 3, gta 4.vice city, san andreas,liberty city,world on the click
105 missions
I found 5
Gta 1 gta London 1969 gta London 1961 gta 2 gta 3 gta vice city gta san Andreas gta advance gta liberty city stories gta vice city stories gta 4 gta 4 the lost and damned gta Chinatown wars gta 4 the ballad of gay tony gta 4 the lost and damned and gta 4 the ballad of gay tony are both availabe in gta episodes from liberty city. People said that gta 5 will release in 2012 but it is not announced now.
1 million
No... It is GTA 4!
i dont have gta 4 or gta5
4
no
you have to do missions to unlock the islands :)