Nebulous Dark

In the not so distant post-apocalyptic future, a giant Asteroid has slammed into Earth, ending humankind's way of life as we know it. The toxic air has caused a worldwide pandemic, widespread undead humans have risen from the massive grave sites and devoured the living. A crippled Earth attracts an extremely hostile Alien species known as Octaliens. It was a bloodbath of a war for the remaining humans. With only small pockets of resistance, there was no chance. Apollo wakes up in this future realizing that he is the last man on Earth and there are new tenants.