To trigger the mission "Keep Your Friends Close..." (the final shootout at the mansion), you must own and have completed their respective "Asset Mission" chains.
Lance Vance—that beautiful, backstabbing snake—whispers: "Tommy... they're at the mansion." gta vice city unlock final mission
That sound? That’s the final act beginning. You’ve earned the right to die (or kill) on the marble floors of Vercetti Estate. Looking back, locking the final mission behind property management was a risk. It forces you to interact with the open world beyond the main story. You become a real estate mogul, a porn film director, and a drug dealer before you become a crime lord. To trigger the mission "Keep Your Friends Close
It’s annoying when you’re 15 years old and just want to shoot Sonny. It’s brilliant when you realize the game is saying: "You can't hold the city until you own the city." That’s the final act beginning
You beat the bank heist ( "The Job" ), which is awesome. But first, you have to beat "The Driver."