<P> Tony and Sosa's associate Alberto travel to New York to assassinate the activist . Alberto plants a bomb under the activist's car, planning to detonate it as he drives to the United Nations Building to give a speech about his activist work . On the day the assassination is to take place, Tony orders Alberto not to set off the bomb because the activist's wife and children are in the car as well, something which is of no concern to Alberto . When Alberto tries to detonate the bomb anyway, Tony attempts to persuade him using logic and stories from his childhood in Cuba . When this does not work, Tony shoots and kills Alberto, thus double - crossing Sosa . </P> <P> On December 9, 1983 Tony returns to Florida and receives a telephone call from a furious Sosa, who admonishes him for the hit's failure . Tony attempts to locate Manny, and finds him and Gina together, both wearing nothing but bathrobes . Tony shoots and kills him in a cocaine - fueled rage, before Gina reveals that they had just married and were going to announce their matrimony to Tony . Tony and his men take a distraught Gina back to his mansion . Meanwhile, a large group of assassins sent by Sosa surround the mansion . While a distraught Tony sits in his office, snorting vast quantities of cocaine, the gunmen begin killing his guards outside . Gina enters Tony's office wielding a Smith & Wesson Model 36, accusing him of wanting her for himself, before shooting him in the leg . Tony attempts to calm her down, before one of the assassins enters the office through the window and opens fire, killing Gina . Tony immediately kills the assassin, creating a commotion . </P> <P> Deprived of the element of surprise, Sosa's gunmen directly attack Tony's mansion . Tony bursts from his office wielding a M16 assault rifle with a M203 grenade launcher attachment . He yells "Say hello to my little friend!" and opens fire on the henchmen, killing dozens of them despite being heavily wounded himself by return fire . The carnage continues until Sosa's top assassin, the Skull, sneaks up behind him and shoots him in the back . Tony falls from his balcony into a fountain in the lobby below, floating face - down dead in a pool of blood and water beneath a statue of the globe carrying the inscription "The World Is Yours". </P> <P> The video game titled Scarface: The World Is Yours, a quasi-sequel to the film, features an alternate ending in which Tony kills the Skull and survives the assassination attempt, but still loses most of his possessions . Tony detects his would - be assassin and shoots him before escaping his mansion . The end of the first mission shows that he lost $65,884,703 (which is how much Scarface made in box office) and 25,000 kilos of cocaine . </P>

Who killed tony at the end of scarface