I think so it is 'keep your friends close' cos i completed it and now i am just bored of roaming around vice city.
you can't
yes
just complete mission
last level
sorry,but no cheat is there. you have to do it by your own.
Mission 57 - Cap the Collectors.
The final mission is at the Vercetti Estate at the starfish island.You will know when the mission will be there.
You can pass all the mission by download the saved files or mission till you want to complete.Then you place that file in the in user files folder of the game gta vice city.
Its a mission where you unlock the second island.
you must complete mission
there is no such a way to pass the missions in the game gta vice city without doing the mission.You need to download the saved files from the internet and copy them to the my documents folder of users file for gta vice city.
You can get the seaplane in GTA vice city after completion of mission dildo dodo in the backyard of film studio.