A-45 is the fourth entity in Section A and the second runner entity throughout said section. It acts similarly to the previous entity, A-25, except it is much faster and doesn't rebound, A-45 appears as golden grin that increase vertically on both sides. The eyes are two, hollow golden ovals, which seem to have been drawn by the coarse of a pencil. In-game, A-45 a golden trail and circular particles.