The movie reaches to a climatic end,
As Team Fortress defeated every foe and enemy boss alike in the Valve universe, they've managed to escape from their virtual prison. Before the team packed up and gone off to their separate ways, they promised each other that they will meet each other again and celebrate their reunion and their daring escape from valve.
As credits roll, we get to see what's going on with each member's new life in the real world. In a reality TV show featuring Donald Trump, the Engineer attempts to introduce and sell his invention the Sentry. As the engineer boasts about the sentry’s high-calibre rate and computer-controlled auto-targeting system; he finds his work only to be sapped by a spy. In a fit of rage, the engineer pulls out his pistol and yells “GOD DAMN SPIES DESTROY EVERYTHING I CREATE” fires wildly at the set.