Omega is an American horror film franchise that consists of nine slasher-horror sci fi films, three novels, and a comic. The franchise focuses on Maria (that remain nameless until the second film, an genetic-alternated women and former secret agent who fights against an war between humanity and the omega virus, that transforms people in vampires,. As a whole, the series has been critically-acclaimed by critics, being the second franchise with most percentage of approval in consensus site, with 90%, 95%, 96%, 82%, 100%, 99%, 100% and 100% respectively.