Transformers: After Cybertron

AU of the ME Trilogy and the Transformers FoC game. Summary- What if Optimus and the Autobots hadn't gone directly to Earth, what if they had come years later and discovered an advanced universe full of sentient life. With the Decepticons on the rise once more and a race of god like machines coming to harvest all life, Optimus Prime and Commander Shepard must stand together.