While playing through the game,GTA 3 full 100% it is recommended to do as much as you can on an island before you start doing missions. This is because after certain missions, the gangs will both become hostile and get weapon upgrades, which can make doing miscellaneous missions like Rampages or Vigilante much harder to do. These will be detailed below.Several of the story missions can be missed if you do them in the wrong order. These will be detailed below but a general rule of thumb is to simply complete all missions for one person before moving onto the next. This way you won’t miss any missions.
