Transformers: Rise of the Dark Spark film series and the video game series, consisting of "Transformers: War for Cybertron" and "Transformers: Fall of Cybertron". The Dark Spark is a powerful artifact that is capable of ripping holes in dimensions, which brings two "Transformers" universes together. The story takes place before the Ark is launched in "Fall of Cybertron", while in an alternate universe it takes place before the events of "Age of Extinction". The game begins in continuity with the film, wherein a mysterious purple meteor crashes into Earth. The Autobots reach the crash site and Optimus sees an ancient Cybertronian relic called the Dark Spark,
Transformers: Dark of the Moon team, Bay and the team spent nine months developing a more portable 3-D camera that could be brought into location. In a hidden extra for the Blu-ray version of "Revenge of the Fallen", Bay expressed his intention to make "Transformers 3" not necessarily larger than "Revenge of the Fallen", but instead deeper into the mythology, to give it more character development, and to make it darker and more emotional. Unicron is briefly shown in a secret "Transformers 3" preview feature in the "Revenge of the Fallen" Blu-ray disc. Ultimately, the producers decided to forgo a plot involving the planet-eating Transformer,