Dead Space: Downfall

Dead Space Downfall is an American animated horror film developed by Film Roman and Electronic Arts. It is a prequel to the video game Dead Space and takes place during the events of Dead Space Extraction, while the Necromorphs invade the USG Ishimura after it receives the Marker. The film was released on DVD and Bluray on October 28, 2008 and broadcast on the Syfy Channel on December 2, 2008.

While the ship approaches, they receive radio reports of an outbreak of violent behavior among the colonists. The Marker is brought aboard by order of Captain Benjamin Mathius Jim Cummings. Head of Security Alissa Vincent Nika Futterman asks to investigate the colony, but Mathius believes nothing is amiss. While the Ishimura extracts a chunk of the planet to mine, a man in the ships sick bay, Hans Leggio, Jeff Bennett struggles against his restraints and resists sedation, begging to be killed.Meanwhile, two miners on Aegis VII check an outpost that has gone silent. One man, Farum Cummings vanishes during a blackout, while the other, Colin Barrow, sees his wife Jen Lia Sargent commit suicide. Barrow takes her body and flees the facility in a shuttle, unaware of an alien presence attached to the corpse. ........

Source: Wikipedia