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- 1). Choose 72-hour mode from the game's main menu. Watch the opening cut scenes, which set up the storyline.
- 2). Leave the security room after watching the opening cut scenes. Go down the hallway to your right and enter the first door you encounter, which is Carlito's hideout. Enter the room and watch the cut scene. Frank will speak to various survivors, including Carlito's sister Isabela.
- 3). Finish every case mission in 72-hour mode.
- 4). Return to Carlito's hideout after 10 a.m. on the third day of game play. Frank will urge Isabela to escape with him, but she refuses.
- 5). Arrive at the heliport before noon on day three. Finish the game and watch the ending. This will unlock "ending a," which is required to unlock survival mode.
- 6). Complete overtime mode. Return to the start screen, where you can now access survival mode.
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