When you through the final punch b4 neo surrenders to smith, it cuts to the scene in m1 where morpheous explains to neo the matrix. But instead of our two major protagonists two 2d pixels characters appear, as the brothers wachowski residual self images. They explain how it's a sweet ending for a movie, but a lame ending for a video game. You want 20 more minutes of button pushing action. So a giant king kong smith appears and you fight him. When you beat him all of the agents explode like b4 and we are the champions play as clips from the end of m3 play. It's sweet!