No remains closed. Spawn a car on the rollar coaster if your bored
just complete the game.
In every gta game you have to unlock them but in gta 4 you put cheats in. The other gta games you can fly by completing the missions. If you are on about the big passenger planes you cannot fly them in any gta game apart from san Andreas and gta 4 but in gta 4 you have to buy them with Microsoft live points.
on the normal gta 4 you need to complete the mission NO1 for brucie. then you can unlock races. thank you for you question.
The only place that could be the glory hole theme park is that place southwest of Los Santos at the shore east of the light house.
you have to do a lot of missions
To unlock the sea plane you have to buy the film studio then complete the filmstudio asset
Complete the mission frighteners in Portland to unlock the avenging angels costume.
What is the unlockin code of gta vice city
its a mod.
On the PS3 version, you must get online with your Grand Theft Auto IV and get an update before you are allowed to get trophies.
there are planes only on GTA: san Andreas but you need to unlock them by completing missions
well you have to play to a certain number of missions and you will unlock the hunter quarry missions. complete those and the dumper will spawn there.