How do you complete grand theft auto v s story mode?
Quick Answer
Grand Theft Auto V Story Mode is completed when you finish all five main protagonists' campaign missions, ending with the final mission 'The Third Way' which offers multiple endings based on player choices during the finale.
Explanation
Grand Theft Auto V Story Mode follows three protagonists - Michael, Trevor, and Franklin - through a crime saga set in Los Santos and San Andreas. The story begins with Michael's retirement from a bank heist and escalates when Franklin is recruited to help with a new scheme that reunites the trio. You progress through the main story by completing story missions marked with a 'M' on your map, with approximately 69 story missions in total. The campaign culminates in the final mission 'The Third Way' where you must choose between saving Michael, Trevor, or Franklin, with each choice leading to different endings and consequences for the surviving characters. After completing the final mission, you can continue playing free roam, complete side missions, and achieve 100% completion by finishing all activities, collectibles, and challenges.