Braindead by Peter Jackson (1993)
"A young man's mother is bitten by a Sumatran rat-monkey. She gets sick and dies, at which time she comes back to life, killing and eating dogs, nurses, friends, and neighbors."

Shaun of the Dead by Edgar Wright (2004)
"A man decides to turn his moribund life around by winning back his ex-girlfriend, reconciling his relationship with his mother, and dealing with an entire community that has returned from the dead to eat the living."

I Am Legend by Francis Lawrence (2007)
"Years after a plague kills most of humanity and transforms the rest into monsters, the sole survivor in New York City struggles valiantly to find a cure."

City of the Living Dead by Lucio Fulci (1980)
"A reporter and a psychic race to close the Gates of Hell after the suicide of a clergyman caused them to open, allowing the dead to rise from the grave."

Resident Evil by Paul W.S. Anderson
"A special military unit fights a powerful, out-of-control supercomputer and hundreds of scientists who have mutated into flesh-eating creatures after a laboratory accident."

Re-animator (1985)
"A dedicated tudent at a medical college and his girlfriend become involved in bizarre experiments centering around the re-animation of dead tissue when an odd new student arrives on campus."

Zombie (1979)
"Strangers looking for a woman's father arrive at a tropical island where a doctor desperately searches for the cause and cure of a recent epidemic of the undead"